CVE-2018-13257

Blackboard Learn CAS Ticket Host Header Spoofing An authentication module within Blackboard Learn is susceptible to HTTP host header spoofing during Central Authentication Service CAS service ticket validation. A CAS service ticket is intended for only a specific service , but Blackboard Learn do...

EUVD-2026-69718

WWBN AVideo fails to validate trusted proxies before accepting X-Real-IP and X-Forwarded-For headers, allowing attackers to spoof the client address used by enforceRateLimit. Attackers can rotate the header value per request to bypass login rate limiting and perform unlimited credential guessing...

CVE-2019-17240

CVE-2019-17240 Exploit Versions prior to and including 3.9.2 of the Bludit CMS are vulnerable to a bypass of the anti-brute force mechanism that is in place to block users that have attempted to incorrectly login 10 times or more. The vulnerability was discovered by Rastating. Submitting a login...

CVE-2025-29927

CVE-2025-29927 — Next.js middleware authorization bypass Summary: vulnerability in Next.js middleware allowing authorization bypass by spoofing the x-middleware-subrequest header. Table of Contents CVE-2025-29927 — Next.js middleware authorization bypass Table of Contents Gathering vulnerable hos...

CVE-2025-2825-CrushFTP-AuthBypass

🚨 CVE-2025-2825 – CrushFTP Authentication Bypass 🔎 Overview CVE-2025-2825 is a critical authentication bypass vulnerability affecting CrushFTP , a widely used secure file transfer server. The flaw allows remote attackers to bypass login authentication and gain administrative access by spoofing...

CVE-2025-29927

CVE-2025-29927 - Next.js Middleware 15.2.2 - Authorization Bypass ⚠️ Critical Authentication Bypass in NextJS Middleware 🛠️ PoC implementation by @zs1n 💡 Overview NextJS is a popular React-based web framework, has an authentication vulnerability that affects versions prior to 12.3.5, 13.5.9,...

0xMiddleware

CVE-2025-29927: Next.js Middleware Exploit This tool demonstrates and automates the exploitation of CVE-2025-29927 , a vulnerability in Next.js that allows an attacker to bypass middleware checks like authentication by abusing the internal header x-middleware-subrequest. 🔧 How the Exploit Works...

CVE-2026-55584

CVE-2026-55584 - Bypass de la lista de permitidos de IP de phpSysInfo CWE-290, CVSS 7.5 Alta, phpSysInfo = 3.4.5 Refs: GHSA-786w-p5pm-cvgh, CVE.org PSIALLOWED resuelve la IP del cliente a partir de las cabeceras controladas por el atacante X-Forwarded-For luego Client-IP antes de recurrir a...

EUVD-2026-68304

Origin Validation Error vulnerability in ash-project ashai allows a malicious web page to bypass the MCP server's DNS-rebinding protection and issue cross-site requests to a user's local MCP server with that user's actor. In AshAi.Mcp.Server, with the default allowedorigins: nil, originallowed?/3...

CVE-2026-81315 MCP DNS-rebinding origin check in AshAi is bypassed by a spoofed X-Forwarded-Proto header

Origin Validation Error vulnerability in ash-project ashai allows a malicious web page to bypass the MCP server's DNS-rebinding protection and issue cross-site requests to a user's local MCP server with that user's actor. In AshAi.Mcp.Server, with the default allowedorigins: nil, originallowed?/3...

CVE-2026-81315 MCP DNS-rebinding origin check in AshAi is bypassed by a spoofed X-Forwarded-Proto header

Origin Validation Error vulnerability in ash-project ashai allows a malicious web page to bypass the MCP server's DNS-rebinding protection and issue cross-site requests to a user's local MCP server with that user's actor. In AshAi.Mcp.Server, with the default allowedorigins: nil, originallowed?/3...

CVE-2026-55584

phpSysInfo is a customizable PHP script that displays system information. Prior to 3.4.6, the PSIALLOWED access-control check in readconfig.php trusts attacker-controlled X-Forwarded-For and Client-IP HTTP headers before REMOTEADDR. A remote unauthenticated attacker can supply an allowed address ...

CVE-2026-20896-Gitea-Authentication-Bypass

CVE-2026-20896 - Gitea ≤1.26.2 Authentication Bypass 1. What is Gitea? Gitea is a lightweight, open-source Git hosting platform that allows organizations and developers to manage source code repositories, track issues, review changes, and collaborate on software projects. It provides functionalit...

CVE-2022-46169

CVE-2022-46169 Exploit per CVE-2022-46169 versioni di Cacti precedenti alla 1.2.3 Qui remoteclientauthorized controlla il nome host del client nella tabella poller per l'accesso root@kitploit: function remoteclientauthorized // ... $clientaddr = getclientaddr; // ... $clientname =...

CVE-2026-55584

phpSysInfo is a customizable PHP script that displays system information. Prior to 3.4.6, the PSIALLOWED access-control check in readconfig.php trusts attacker-controlled X-Forwarded-For and Client-IP HTTP headers before REMOTEADDR. A remote unauthenticated attacker can supply an allowed address ...

NPM: 9router: Unauthenticated `/v1` proxy access via `Host`-header spoofing → open AI relay + SSRF

NPM: 9router: Unauthenticated /v1 proxy access via Host-header spoofing → open AI relay + SSRF vulnerability discovered by ? in WordPress Npm 9router versions 0.5.2...

phpSysInfo has an IP allowlist (PSI_ALLOWED) bypass via spoofed X-Forwarded-For / Client-IP headers

Summary phpSysInfo's PSIALLOWED IP allowlist can be trivially bypassed by any unauthenticated remote attacker. The access-control check in readconfig.php derives the client IP from the attacker-controlled X-Forwarded-For and Client-IP HTTP headers before falling back to REMOTEADDR. An attacker ca...

CVE-2026-55584

phpSysInfo is a customizable PHP script that displays system information. Prior to 3.4.6, the PSIALLOWED access-control check in readconfig.php trusts attacker-controlled X-Forwarded-For and Client-IP HTTP headers before REMOTEADDR. A remote unauthenticated attacker can supply an allowed address ...

CVE-2026-55584 phpSysInfo: IP allowlist (PSI_ALLOWED) bypass via spoofed X-Forwarded-For / Client-IP headers

phpSysInfo is a customizable PHP script that displays system information. Prior to 3.4.6, the PSIALLOWED access-control check in readconfig.php trusts attacker-controlled X-Forwarded-For and Client-IP HTTP headers before REMOTEADDR. A remote unauthenticated attacker can supply an allowed address ...

EUVD-2026-67862

phpSysInfo is a customizable PHP script that displays system information. Prior to 3.4.6, the PSIALLOWED access-control check in readconfig.php trusts attacker-controlled X-Forwarded-For and Client-IP HTTP headers before REMOTEADDR. A remote unauthenticated attacker can supply an allowed address ...