Generated by Rank Math SEO, this is an llms.txt file designed to help LLMs better understand and index this website. # Karl.Fail: Security research, self-hosting & homelab — by Karl Machleidt ## Sitemaps [XML Sitemap](https://karl.fail/sitemap_index.xml): Includes all crawlable and indexable pages. ## Posts - [Ultimate Guide to Self-Hosted Dynamic DNS: Ditch DuckDNS for KarlDNS](https://karl.fail/blog/ultimate-guide-to-self-hosted-dynamic-dns-ditch-duckdns-for-karldns/): Stop dealing with expiring hostnames and insecure API tokens. Learn how to deploy KarlDNS, a secure, account-free, self-hosted DynDNS using FastAPI, SQLite WAL, and Docker on Proxmox. - [How I Built a Sub-Millisecond Threat Intelligence API for $0](https://karl.fail/blog/how-i-built-a-sub-millisecond-threat-intelligence-api-for-0/): How I built a free, sub-millisecond threat intelligence API using Node-RED to identify malicious IPs and domains. Stop paying vendors for open-source data. - [The Great Karlflix Migration: Moving My Media Stack to a Proxmox LXC](https://karl.fail/blog/the-great-karlflix-migration-moving-my-media-stack-to-a-proxmox-lxc/): Meta Description: Learn how I migrated my bloated Debian VM media stack to a sleek Proxmox LXC, enabling Jellyfin hardware transcoding, Gluetun WireGuard, and SSO. - [Claude SysAdmin: An AI Guide for the Exceptionally Lazy](https://karl.fail/blog/claude-sysadmin-an-ai-guide-for-the-exceptionally-lazy/): Too lazy for homelab chores? Learn how I used AI tools like Claude as my personal SysAdmin to automate Proxmox updates, fix WordPress, and refactor UniFi firewalls. - [I Spent 250€ on AI Pentesting Agents (PentAGI, Strix, Xalgorix)](https://karl.fail/blog/i-spent-250e-on-ai-pentesting-agents-pentagi-strix-xalgorix/): Curious if autonomous AI pentesting actually works? I spent 200€ on OpenAI and Claude APIs to test PentAGI, Strix, and Xalgorix. Read my real-world results. - [Monitoring Your Personal Attack Surface with Shodan and n8n](https://karl.fail/blog/monitoring-your-personal-attack-surface-with-shodan-and-n8n/): Automate your home network security with n8n and Shodan. Monitor your personal attack surface, scan your DynDNS, and get instant Discord alerts for open ports. - [Windows 11 VM Performance: Hardening, Debloating, and Setup Guide](https://karl.fail/blog/windows-11-vm-performance-hardening-debloating-and-setup-guide/): I am currently testing a Windows 11 VM for gaming with GPU passthrough, instead of CachyOS, which I talked about in my previous post. While Linux has made massive strides as a host, Windows still holds several advantages for high-performance virtualization: seamless driver management and crucially-superior handling of virtual displays. - [How I Automated My WoW Nerd Obsession with n8n, Browserless & Python (A Self-Hosting Guide)](https://karl.fail/blog/how-i-automated-my-wow-nerd-obsession-with-n8n-browserless-python-a-self-hosting-guide/): In which a grown adult builds an entire self-hosted automation flow just to find out which World of Warcraft specs are popular this week. - [Unlocking Full PS5 DualSense Features in Moonlight & Sunshine](https://karl.fail/blog/unlocking-full-ps5-dualsense-features-in-moonlight-sunshine/): There is nothing worse than buying premium hardware and having your software treat it like a generic accessory. - [The 2026 Guide to Linux Cloud Gaming: Proxmox Passthrough with CachyOS & Sunshine](https://karl.fail/blog/the-2026-guide-to-linux-cloud-gaming-proxmox-passthrough-with-cachyos-sunshine/): Build the Ultimate Linux Cloud Gaming Server: A step-by-step guide to Proxmox, CachyOS, and AMD RX 7900 XTX passthrough. Fixes for Vulkan, Sunshine, and Latency included. - [Why I Cancelled ChatGPT Plus: Saving €15/Month with Gemini Advanced](https://karl.fail/blog/why-i-cancelled-chatgpt-plus-saving-e15-month-with-gemini-advanced/): For a long time, I was a loyal subscriber to ChatGPT Plus. I happily paid the €23.99/month to access the best AI models. But recently, my focus shifted. I’m currently optimizing my finances to invest more in index ETFs and aim for early retirement (FIRE). Every Euro counts. - [Forget Google: Build Your Own Search API with SearXNG](https://karl.fail/blog/forget-google-build-your-own-search-api-with-searxng/): Learn how to self-host SearXNG on Proxmox or Docker, use its free search API, and integrate it with Node-RED for OSINT, automation, and privacy. - [How to Orchestrate Hetzner Cloud Servers with Node-RED Flows](https://karl.fail/blog/hetzner-cloud-api-with-node-red/): Learn how to automate Hetzner Cloud with Node-RED. This guide shows step-by-step flows for creating, managing, and destroying cloud workers on demand. You’ll see how to use Change and Function nodes, handle API calls, check server status, run tools like Masscan or Nmap remotely, and even manage reverse DNS and A-records with Cloudflare. Perfect for security researchers, DevOps, and penetration testers who want cost-efficient, disposable cloud workers without manual setup. - [ClamAV on Steroids: 35,000 YARA Rules and a Lot of Attitude](https://karl.fail/blog/clamav-on-steroids-35000-yara-rules-and-a-lot-of-attitude/): Built a scalable ClamAV + 35K YARA rule cluster with FastAPI, HAProxy, and DB storage for fast, insightful malware analysis - born out of frustration. - [BBOT: The Swiss Army Knife for Recon, Bug Bounties, and ASM](https://karl.fail/tools/tools-bbot/): BBOT is a powerful recon automation tool built in Python, designed for bug bounty hunters and security professionals. From subdomain discovery to full web scans, it streamlines OSINT like never before. - [Universal Radio Hacker (URH): Dive Into Wireless Protocol Hacking](https://karl.fail/tools/tools-urh/): Universal Radio Hacker (URH) is a powerful tool for analyzing and attacking wireless protocols using SDRs. Perfect for pentesters and enthusiasts alike. - [Bettercap: The Swiss Army Knife for Network Attacks and Reconnaissance](https://karl.fail/tools/tools-bettercap/): Bettercap is a powerful, extensible network attack and recon framework supporting WiFi, BLE, CAN-bus, and more. Ideal for red teamers and network analysts. - [Hackingtool: The All-in-One Toolkit for Ethical Hackers](https://karl.fail/tools/tools-hackingtool/): Hackingtool by Z4nzu is an all-in-one ethical hacking framework combining information gathering, exploitation, forensics, and more into a single terminal-based interface. - [Hacker101: A Free Web Security Training Platform for Aspiring Hackers](https://karl.fail/tools/tools-hacker101/): Hacker101 is a free and open-source web security training platform by HackerOne, offering lessons, labs, and CTFs for ethical hackers and developers. - [Master Reverse Engineering with this Free, All-in-One Assembly Course](https://karl.fail/tools/tools-reverse-engineering/): Dive into the free, all-in-one reverse engineering tutorial by mytechnotalent. Learn x86, ARM, RISC-V, and more with hands-on lessons, projects, and CTFs. - [OWASP Juice Shop: The Most Broken Secure App You’ll Ever Love](https://karl.fail/tools/tools-juice-shop/): OWASP Juice Shop is the ultimate playground for web security enthusiasts. Learn, hack, and train with the most vulnerable secure app ever created. - [Discover Hidden Web Paths with dirsearch: The Ultimate Web Path Brute-Forcer](https://karl.fail/tools/tools-dirsearch/): dirsearch is a powerful Python-based web path brute-forcing tool that helps security researchers uncover hidden directories and files. Packed with features and customization, it's a must-have for recon and testing. - [Mastering Web Application Security with the OWASP Web Security Testing Guide](https://karl.fail/tools/tools-wstg/): The OWASP Web Security Testing Guide is a comprehensive manual for assessing web application security. It offers structured methodologies, real-world scenarios, and is trusted by professionals worldwide. - [Awesome Hacking: Your Ultimate Curated Guide to Cybersecurity Resources](https://karl.fail/tools/tools-awesome-hacking/): Explore Awesome Hacking - the ultimate curated list of cybersecurity tools, tutorials, and learning platforms for hackers, pentesters, and researchers. - [H4cker: A Curated Treasure Trove for Cybersecurity Learning and Practice](https://karl.fail/tools/tools-h4cker/): H4cker is a curated cybersecurity repository featuring 10,000+ resources across ethical hacking, malware analysis, DFIR, AI security, and more-perfect for learners and pros alike. - [x64dbg: A Modern, Open-Source Debugger for Windows Reverse Engineering](https://karl.fail/tools/tools-x64dbg/): x64dbg is a powerful open-source debugger for Windows with features like disassembly, patching, scripting, and plugin support. Ideal for reverse engineers and malware analysts. - [Damn Vulnerable Web Application (DVWA): The Classic Playground for Web App Security](https://karl.fail/tools/tools-dvwa/): DVWA is an intentionally vulnerable PHP web app designed for learning and practicing web security in a safe environment. Perfect for students, pentesters, and developers. - [HackBrowserData: Extract and Decrypt Browser Data Like a Pro](https://karl.fail/tools/tools-hackbrowserdata/): HackBrowserData is a powerful command-line tool to decrypt and export browser data like passwords, cookies, and history across Windows, macOS, and Linux. A must-have for forensic analysts and red teamers. - [HackTricks: The Ultimate Offensive Security Knowledge Base](https://karl.fail/tools/tools-hacktricks/): HackTricks is a curated offensive security knowledge base used by red teamers, pentesters, and bug bounty hunters. Explore real-world attack techniques, payloads, and tips. - [RedTeam-Tools: A Massive Arsenal for Ethical Hackers and Offensive Security Pros](https://karl.fail/tools/tools-redteam-tools/): RedTeam-Tools is a massive open-source repository of 150+ tools curated for offensive security professionals. It covers every stage of red teaming from recon to exfiltration. - [RustScan: The Lightning-Fast Port Scanner You’ve Been Waiting For](https://karl.fail/tools/tools-rustscan/): RustScan is a lightning-fast, adaptive port scanner written in Rust, offering scriptable automation, Nmap integration, and support for IPv6 and accessibility. - [Trickest CVE: A Treasure Trove of Exploit Proof-of-Concepts](https://karl.fail/tools/tools-cve/): Trickest CVE is an automated repository of thousands of public exploit PoCs, ideal for pentesters, red teams, and security researchers looking to stay ahead of threats. - [Master Web Reconnaissance with reNgine: A Powerful Toolkit for Bug Bounty Hunters](https://karl.fail/tools/tools-rengine/): reNgine is a feature-rich web reconnaissance and vulnerability scanner for bug bounty hunters and security teams. It combines automation, intelligence, and customization to deliver end-to-end recon workflows. - [Mastering Mobile App Security with the OWASP MASTG](https://karl.fail/tools/tools-owasp-mastg/): The OWASP MASTG is the definitive guide to mobile app security testing and reverse engineering. Ideal for penetration testers, developers, and auditors, it maps directly to MASVS and supports Android and iOS. - [ImHex: A Powerful Hex Editor for Reverse Engineers and Developers](https://karl.fail/tools/tools-imhex/): ImHex is a modern, feature-rich hex editor built for reverse engineers and developers. It offers advanced data parsing, disassembly, and visualization tools in a beautiful and customizable UI. - [Red Teaming Toolkit: Your Ultimate Arsenal for Adversary Simulation](https://karl.fail/tools/tools-red-teaming-toolkit/): The Red Teaming Toolkit is a curated collection of open-source security tools used for adversary simulation and red teaming. Perfect for ethical hackers and security researchers. - [Critical Vulnerability in Apple macOS and iPadOS: CVE-2025-24118](https://karl.fail/tools/vulnerabilities-cve-2025-24118/): CVE-2025-24118 is a critical vulnerability in macOS and iPadOS that allows apps to cause system termination or write kernel memory. Users should update immediately. - [Critical Vulnerability in Samsung Mobile Processor and Modem – CVE-2025-27891](https://karl.fail/tools/vulnerabilities-cve-2025-27891/): CVE-2025-27891 exposes Samsung processors and modems to critical risks due to insufficient length checks on incoming NAS packets. Update your devices to mitigate potential exploitation. - [CVE-2025-24241: Critical Vulnerability in Apple’s macOS](https://karl.fail/tools/vulnerabilities-cve-2025-24241/): CVE-2025-24241 is a critical vulnerability in Apple's macOS products that allows malicious apps to copy sensitive data to the pasteboard. Apple has released updates to fix this issue. - [I Tested a Viral Anti-Spam Prompt. It Failed Spectacularly](https://karl.fail/blog/i-tested-a-viral-anti-spam-prompt-it-failed-spectacularly/): Okay, I’ll admit it, I was rage-baited into writing this article. Lately, I’ve been spending some time automating all of my LinkedIn tasks. I don’t actually like LinkedIn, but I do want to build a large network. So what’s a guy to do? Obviously, connect ChatGPT to LinkedIn. - [CVE-2025-4052: Inappropriate Implementation in Google Chrome DevTools](https://karl.fail/tools/vulnerabilities-cve-2025-4052/): CVE-2025-4052 is a critical vulnerability in Chrome's DevTools, allowing attackers to bypass access control via a crafted HTML page. Users must update Chrome to mitigate risks. - [CVE-2025-30465: Critical Vulnerability in Apple macOS and iPadOS – Shortcut Permissions Issue](https://karl.fail/tools/vulnerabilities-cve-2025-30465/): A critical vulnerability in Apple's macOS and iPadOS allows apps to access files outside of the Shortcuts app, posing a risk to sensitive user data. Fixed in the latest updates. - [Ciphey: The AI-Powered Automated Decryption Tool Every Hacker Should Know](https://karl.fail/tools/tools-ciphey/): Ciphey is a blazing-fast, AI-powered decryption tool that detects and decodes unknown encrypted text automatically. Perfect for CTFs, analysts, and cyber enthusiasts. - [Critical Input Validation Vulnerability in macOS (CVE-2025-30452)](https://karl.fail/tools/vulnerabilities-cve-2025-30452/): A critical vulnerability in macOS, CVE-2025-30452, has been addressed in recent updates. It stems from improper input validation and could lead to serious security risks. - [CVE-2025-24196: Critical Vulnerability in macOS with User Privileges](https://karl.fail/tools/vulnerabilities-cve-2025-24196/): A critical vulnerability in macOS allows an attacker with user privileges to read kernel memory, posing a serious security risk. Users are urged to update their systems immediately. - [Critical Vulnerability in Apple macOS: CVE-2025-24109](https://karl.fail/tools/vulnerabilities-cve-2025-24109/): CVE-2025-24109 is a critical vulnerability in macOS, allowing unauthorized apps to access sensitive user data. Users must update to the latest version immediately to mitigate the risk. - [Critical Vulnerability in Vasion Print (formerly PrinterLogic) – CVE-2025-27650](https://karl.fail/tools/vulnerabilities-cve-2025-27650/): CVE-2025-27650 exposes Vasion Print users to critical risks due to insufficiently protected private keys. Update to the latest version to mitigate potential exploitation. - [Critical Vulnerability in Forvia Hella HELLA Driving Recorder DR 820 – CVE-2025-30113](https://karl.fail/tools/vulnerabilities-cve-2025-30113/): CVE-2025-30113 exposes Forvia Hella HELLA Driving Recorder DR 820 to critical security risks due to hardcoded credentials in the APK. Immediate action is required to secure the device. - [Critical macOS Vulnerability (CVE-2025-24266): Buffer Overflow Risk and Unexpected System Termination](https://karl.fail/tools/vulnerabilities-cve-2025-24266/): CVE-2025-24266 is a critical vulnerability in macOS that could cause unexpected system termination due to a buffer overflow. Affected users should update their devices to avoid potential exploits. - [Critical Vulnerability in macOS: CVE-2025-24233](https://karl.fail/tools/vulnerabilities-cve-2025-24233/): CVE-2025-24233 in macOS allows malicious apps to read or write to protected files. Apple has released fixes, and it is crucial to update immediately. - [Critical Vulnerability in Apple Products: CVE-2025-24167](https://karl.fail/tools/vulnerabilities-cve-2025-24167/): CVE-2025-24167 is a critical vulnerability in Apple products that affects download origin validation. Users must update to prevent exploitation. - [Critical Vulnerability in Apple Devices: App May Enumerate Installed Apps (CVE-2025-30426)](https://karl.fail/tools/vulnerabilities-cve-2025-30426/): CVE-2025-30426 exposes Apple users to unauthorized app enumeration. Update to the latest versions of iOS, macOS, and tvOS to protect sensitive data. - [CVE-2025-24207: Critical Security Flaw in macOS Allows Unauthorized iCloud Access](https://karl.fail/tools/vulnerabilities-cve-2025-24207/): CVE-2025-24207 exposes a critical vulnerability in macOS, allowing unauthorized apps to enable iCloud features without user consent. Immediate updates are essential to secure your data. - [CVE-2025-24263: Privacy Vulnerability in macOS](https://karl.fail/tools/vulnerabilities-cve-2025-24263/): CVE-2025-24263 in macOS allows malicious apps to observe unprotected user data, exposing sensitive information. Apple has released updates to fix the issue. - [CVE-2025-24247: Critical Vulnerability in Apple’s macOS](https://karl.fail/tools/vulnerabilities-cve-2025-24247-2/): CVE-2025-24247 is a critical vulnerability in Apple's macOS that allows attackers to exploit a type confusion issue, potentially causing app termination. Update your devices to the latest macOS versions to stay secure. - [CVE-2025-31194: Critical Vulnerability in Apple macOS – Admin Privileges without Authentication](https://karl.fail/tools/vulnerabilities-cve-2025-31194/): CVE-2025-31194 in macOS allows shortcuts to run with admin privileges without authentication. Apple has addressed the issue in the latest macOS updates. - [CVE-2025-24247: Critical Vulnerability in Apple’s macOS](https://karl.fail/tools/vulnerabilities-cve-2025-24247/): CVE-2025-24247 is a critical vulnerability in Apple's macOS that allows attackers to exploit a type confusion issue, potentially causing app termination. Update your devices to the latest macOS versions to stay secure. - [Sn1per: The Ultimate Pentesting & Attack Surface Management Toolkit](https://karl.fail/tools/tools-sn1per/): Sn1per is a powerful automated pentesting toolkit for reconnaissance, vulnerability scanning, and attack surface management. Ideal for red teamers, ethical hackers, and security pros. - [Airgeddon: The Swiss Army Knife for Wireless Network Auditing](https://karl.fail/tools/tools-airgeddon/): Airgeddon is a powerful bash-based tool for wireless network auditing, featuring Evil Twin attacks, handshake capturing, and Docker support-all from a single interface. - [Yakit: The Interactive Application Security Testing Platform](https://karl.fail/tools/tools-yakit/): Yakit is an interactive security testing platform that offers MITM hijacking, web fuzzing, reverse shell capabilities, and custom scripting-all integrated into one powerful tool. - [Cyber Detective’s OSINT Tools Collection: Your Ultimate Guide to Open-Source Intelligence](https://karl.fail/tools/tools-cyber-detective-osint-tools-collection/): Cyber Detective's OSINT Tools Collection is a comprehensive set of over 1,000 open-source intelligence tools designed for penetration testers, investigators, and cybersecurity professionals. Explore key categories and start your intelligence-gathering today! - [PayloadsAllTheThings: Your Ultimate Web Security Payload Arsenal](https://karl.fail/tools/tools-payloadsallthethings/): PayloadsAllTheThings is a comprehensive, community-driven repository of payloads and bypasses for web security testing. Ideal for pentesters, bug bounty hunters, and learners alike. - [Subfinder: Fast, Passive Subdomain Enumeration for Bug Bounty and Pentesting](https://karl.fail/tools/tools-subfinder/): Subfinder is a powerful passive subdomain discovery tool that's perfect for bug bounty hunters, pentesters, and red teamers. Fast, stealthy, and API-friendly. - [Unlock the Power of OSINT with Awesome Hacker Search Engines](https://karl.fail/tools/tools-awesome-hacker-search-engines-3/): Awesome Hacker Search Engines is your go-to OSINT toolkit-over 250 specialized search engines for hacking, threat intelligence, and vulnerability discovery. - [CVE-2025-4632: Critical Path Traversal Vulnerability in Samsung MagicINFO 9 Server](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-4632/): CVE-2025-4632 is a critical path traversal vulnerability in Samsung MagicINFO 9 Server before version 21.1052, allowing arbitrary file writes as system. - [CVE-2025-4318: Critical Eval Injection Vulnerability in AWS Amplify Studio](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-4318/): CVE-2025-4318 reveals a critical Eval Injection flaw in AWS Amplify Studio, enabling arbitrary JavaScript execution during component builds. - [CVE-2025-24977: Critical Code Injection Vulnerability in OpenCTI](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-24977/): CVE-2025-24977 reveals a critical code injection flaw in OpenCTI. Exploiting it enables command execution and secret access on affected systems. - [CVE-2025-24032: Authentication Bypass in PAM-PKCS#11 Due to Insecure Default `cert_policy` Setting](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-24032-2/): CVE-2025-24032 affects PAM-PKCS#11, allowing authentication bypass via insecure default settings. Update to version 0.6.13 or configure cert_policy. - [CVE-2025-21556: Critical Authorization Flaw in Oracle Agile PLM Framework](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-21556-2/): CVE-2025-21556 is a critical authorization flaw in Oracle Agile PLM Framework allowing remote takeover via incorrect access controls. - [CVE-2025-21547: Critical Remote Exploit in Oracle Hospitality OPERA 5](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-21547-2/): CVE-2025-21547 is a critical vulnerability in Oracle Hospitality OPERA 5 that allows remote unauthenticated data access and denial of service. - [CVE-2025-21535: Critical Unauthenticated Remote Exploit in Oracle WebLogic Server](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-21535-2/): CVE-2025-21535 is a critical remote exploit in Oracle WebLogic Server allowing unauthenticated takeover via T3/IIOP protocols. - [CVE-2025-21524: Critical Unauthenticated Remote Takeover in JD Edwards EnterpriseOne Tools](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-21524-2/): CVE-2025-21524 is a critical unauthenticated remote takeover vulnerability in Oracle JD Edwards EnterpriseOne Tools prior to version 9.2.9.0. - [CVE-2025-21415: Critical Privilege Escalation in Azure AI Face Service](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-21415-2/): CVE-2025-21415 is a critical authentication bypass in Azure AI Face Service that allows privilege escalation via spoofing. - [CVE-2025-21311: Critical Elevation of Privilege in Windows NTLM V1](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-21311-2/): CVE-2025-21311 is a critical vulnerability in NTLMv1 allowing privilege escalation in Windows Server and Windows 11 systems. - [CVE-2025-21307: Critical Remote Code Execution in Windows RMCAST Driver](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-21307-2/): CVE-2025-21307 is a critical Use After Free vulnerability in the Windows RMCAST driver, allowing remote code execution across multiple versions. - [CVE-2025-21307: Critical Remote Code Execution in Windows RMCAST Driver](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-21307/): CVE-2025-21307 is a critical RCE in Windows RMCAST driver, impacting numerous versions with a CVSS score of 9.8. - [CVE-2025-4641: Critical XXE Vulnerability in WebDriverManager](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-4641/): CVE-2025-4641 is a critical XXE vulnerability in WebDriverManager affecting versions before 6.0.2, allowing remote exploitation via malicious XML. - [Critical Authorization Vulnerability in Adobe Commerce (CVE-2025-24434)](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-24434/): CVE-2025-24434 allows privilege escalation in Adobe Commerce via incorrect authorization. Affected versions should be patched immediately. - [Authentication Bypass in PAM-PKCS#11 due to Weak Default `cert_policy` Setting](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-24032/): A critical flaw in PAM-PKCS#11 allows attackers to bypass authentication by exploiting default configuration values. - [Critical Deserialization Vulnerability in Adobe ColdFusion (CVE-2025-24447)](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-24447/): CVE-2025-24447 in Adobe ColdFusion allows unauthenticated remote code execution via deserialization. Critical risk, patch immediately. - [Critical Improper Input Validation Vulnerability in Adobe ColdFusion (CVE-2025-24446)](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-24446/): CVE-2025-24446 affects Adobe ColdFusion and allows remote code execution through improper input validation. - [Critical RCE Vulnerability in Tauri Plugin Shell (CVE-2025-31477)](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-41423/): CVE-2025-31477 is a critical flaw in the Tauri shell plugin allowing untrusted protocol execution via the open endpoint. Patch to v2.2.1 immediately. - [Code Injection Vulnerability in SAP Landscape Transformation (SLT)](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-31330/): CVE-2025-31330 enables code injection via RFC in SAP SLT, risking full system compromise. Affected users must patch immediately. - [CVE-2025-31324: Critical File Upload Vulnerability in SAP NetWeaver Visual Composer](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-31324/): CVE-2025-31324 allows unauthenticated attackers to upload malicious binaries to SAP NetWeaver, risking total system compromise. - [Critical Authorization Flaw in Oracle Agile PLM Framework (CVE-2025-21556)](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-21556/): CVE-2025-21556 affects Oracle Agile PLM Framework, allowing low-privileged attackers to take over systems due to incorrect authorization logic. - [Critical Windows OLE Remote Code Execution Vulnerability (CVE-2025-21298)](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-21298/): CVE-2025-21298 is a critical Windows OLE vulnerability allowing unauthenticated remote code execution due to a use-after-free condition. - [Critical Remote Takeover Vulnerability in JD Edwards EnterpriseOne Tools (CVE-2025-21524)](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-21524/): CVE-2025-21524 is a critical vulnerability in JD Edwards EnterpriseOne Tools allowing remote takeover via unauthenticated HTTP access. - [Critical Remote Takeover Vulnerability in Oracle WebLogic Server (CVE-2025-21535)](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-21535/): CVE-2025-21535 is a critical flaw in Oracle WebLogic Server allowing remote, unauthenticated attackers to fully compromise the system. - [Critical Vulnerability in Oracle Hospitality OPERA 5 (CVE-2025-21547)](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-21547/): CVE-2025-21547 is a critical flaw in Oracle OPERA 5 allowing remote unauthenticated access to sensitive data or full denial-of-service. - [Critical Privilege Escalation in Azure AI Face Service (CVE-2025-21415)](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-21415/): CVE-2025-21415 allows privilege escalation in Azure AI Face Service through authentication bypass by spoofing. Microsoft has issued mitigations. - [Critical Elevation of Privilege via NTLMv1 in Windows (CVE-2025-21311)](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-21311/): CVE-2025-21311 is a critical flaw in Windows NTLMv1 allowing remote privilege escalation. Patch urgently and disable NTLMv1 support. - [Critical Privilege Escalation in Argo Events via EventSource and Sensor CR (CVE-2025-32445)](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-32445/): CVE-2025-32445 allows privilege escalation in Argo Events via custom EventSource and Sensor CRs. Users should update to v1.9.6 immediately. - [Critical SQL Injection Vulnerability in TCMAN GIM v11 (CVE-2025-40623)](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-40623/): CVE-2025-40623 is a critical SQL injection flaw in TCMAN GIM v11, allowing unauthenticated attackers to access and manipulate database content. - [Critical Sandbox Escape in Google Cloud Application Integration (CVE-2025-0982)](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-0982/): CVE-2025-0982 allows sandbox escape via Rhino in Google Cloud Application Integration, enabling remote code execution. Rhino support has been deprecated. - [Critical OS Command Injection in MicroWorld eScan Antivirus (CVE-2025-0798)](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-0798/): A critical OS Command Injection vulnerability (CVE-2025-0798) affects MicroWorld eScan Antivirus 7.0.32 for Linux. Remote exploitation is possible. - [CVE-2025-0159: Authentication Bypass in IBM FlashSystem (Storage Virtualize)](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-0159/): CVE-2025-0159 is a critical flaw in IBM FlashSystem allowing unauthenticated access via crafted RPC requests. - [CVE-2025-0070: Critical Improper Authentication in SAP NetWeaver ABAP Server](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-0070/): CVE-2025-0070 is a critical authentication flaw in SAP NetWeaver ABAP, allowing privilege escalation via improper checks. - [CVE-2025-27429: Critical ABAP Code Injection in SAP S/4HANA via RFC](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-27429/): CVE-2025-27429 is a critical ABAP code injection flaw in SAP S/4HANA that allows low-privileged attackers to fully compromise the system via RFC. - [CVE-2025-27519: Critical Path Traversal Vulnerability in Cognita RAG Framework](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-27519/): CVE-2025-27519 is a critical path traversal flaw in Cognita that allows remote code execution via arbitrary file writes in Docker environments. - [CVE-2025-27816: Critical Deserialization Vulnerability in Arctera InfoScale](https://karl.fail/vulnerabilities/vulnerabilities-cve-2025-27816/): CVE-2025-27816 is a critical deserialization vulnerability in Arctera InfoScale that allows remote code execution via the Plugin_Host service. ## Pages - [Links](https://karl.fail/links/): def get_intro(audience: str = "blog") -> str: """ Gibt ein Intro zurück, je nach Zielgruppe. """ base_intro = ( "Ich bin IT-Sicherheitsexperte mit über zehn Jahren Erfahrung\n" "in Programmierung, Penetrationstests und Sicherheitsanalyse.\n" "Aktuell arbeite ich als Principal Incident Responder\n" "für eine der größten deutschen Behörden.\n\n" ) if audience == "blog": return ( base_intro + "Abseits des Jobs gehe ich gerne ins Fitnessstudio,\n" + "wandere und widme mich verschiedenen Side-Projekten –\n" + "einige davon werde ich hier vorstellen.\n\n" + "Auch wenn man mich über mein Unternehmen KARLCOM buchen kann,\n" + "ist dieser Blog ein privates Projekt.\n" + "Alle Inhalte spiegeln ausschließlich meine Meinung –\n" + "nicht die meines Arbeitgebers." ) if audience == "business": return ( base_intro + "Neben meiner Arbeit leite ich Projekte über KARLCOM.\n" + "Dort unterstütze ich Kunden in Incident Response,\n" + "Cyber Defense und Security Consulting." ) return ( base_intro + "Ich mag Fitness, Wandern und technische Experimente." ) if __name__ == "__main__": print("=== Intro für Blog ===\n") print(get_intro("blog")) print("\n" + "=" * 40 + "\n") print("=== Intro für Business ===\n") print(get_intro("business"))def get_intro(audience: str = "blog") -> str: """ Gibt ein Intro zurück, je nach Zielgruppe. """ base_intro = ( "Ich bin IT-Sicherheitsexperte mit über zehn Jahren Erfahrung\n" "in Programmierung, Penetrationstests und Sicherheitsanalyse.\n" "Aktuell arbeite ich als Principal Incident Responder\n" "für eine der größten deutschen Behörden.\n\n" ) if audience == "blog": return ( base_intro + "Abseits des Jobs gehe ich gerne ins Fitnessstudio,\n" + "wandere und widme mich verschiedenen Side-Projekten –\n" + "einige davon werde ich hier vorstellen.\n\n" + "Auch wenn man mich über mein Unternehmen KARLCOM buchen kann,\n" + "ist dieser Blog ein privates Projekt.\n" + "Alle Inhalte spiegeln ausschließlich meine Meinung –\n" + "nicht die meines Arbeitgebers." ) if audience == "business": return ( base_intro + "Neben meiner Arbeit leite ich Projekte über KARLCOM.\n" + "Dort unterstütze ich Kunden in Incident Response,\n" + "Cyber Defense und Security Consulting." ) return ( base_intro + "Ich mag Fitness, Wandern und technische Experimente." ) if __name__ == "__main__": print("=== Intro für Blog ===\n") print(get_intro("blog")) print("\n" + "=" * 40 + "\n") print("=== Intro für Business ===\n") print(get_intro("business")) - [Tools](https://karl.fail/tools/): Here's a list of awesome hacking tools for hacking other people (just kidding). Use them responsibly. only for educational purposes! Don't hack anyone, seriously. Alright, have fun and stay safe. - [Vulnerabilities](https://karl.fail/vulnerabilities/): Critical exploits uncovered. Sharp analysis, real-world impact, and clear visual cues. Stay ahead with the latest high-risk vulnerabilities explained, not just listed. - [Cookie Policy (EU)](https://karl.fail/cookie-policy-eu/) - [Projects](https://karl.fail/projects/): Sorry, but nothing was found. Please try a search with different keywords. - [Disclaimer](https://karl.fail/disclaimer/): The information provided on karl.fail  is for educational and informational purposes only. The use of hacking tools discussed on this platform is solely at your own risk. - [Blog](https://karl.fail/blog/) - [Home](https://karl.fail/): I’m Karl! You’ve landed on my personal corner of the internet where I share insights, ideas, and updates on my IT adventures. For business inquiries, please visit my professional website Karlcom.de. - [Privacy Policy](https://karl.fail/privacy-policy/): 1. Controller