CVE-2026-29000-pac4j-jwt

pac4j-jwe-forge CVE-2026-29000 Proof-of-concept for CVE-2026-29000. Targets pac4j-jwt versions prior to 4.5.9, 5.7.9, and 6.3.3. The vulnerability is straightforward: the library accepts a PlainJWT unsigned, alg=none as long as it's wrapped inside a valid JWE. Since the server exposes its RSA...

CVE-2026-29000

CVE-2026-29000 Exploit Generator Rust This repository contains a specialized Rust implementation for exploiting CVE-2026-29000, an authentication bypass vulnerability in pac4j-jwt. The vulnerability stems from a "Signature Validation Skip" when a PlainJWT alg: none is nested within an encrypted J...

CVE-2026-29000

JWT/JWE Authentication Bypass PoC A Proof-of-Concept PoC script demonstrating an authentication bypass vulnerability using JSON Web Tokens JWT and JSON Web Encryption JWE. This tool exploits environments that improperly validate token algorithms by accepting unverified JWTs alg: none wrapped insi...

jwt_tool

The JSON Web Token Toolkit v2 jwttool.py is a toolkit for validating, forging, scanning and tampering JWTs JSON Web Tokens. Its functionality includes: Checking the validity of a token Testing for known exploits: CVE-2015-2951 The alg=none signature-bypass vulnerability CVE-2016-10555 The RS/HS25...

CVE-2026-45156-POC

Hacker Matrix Glitch 🚨 CVE-2026-45156 🚨 Nextcloud useroidc ID4me JWT Signature Bypass Fully Automated Proof of Concept PoC Exploit for Admin Takeover. 📖 The Story Behind every CVE, there's a story. This one was found at 2 AM on a cold winter night, fueled by a breakup mashup on loop. Read the ful...

CVE-2026-29000

CVE-2026-29000: pac4j JWT Authentication Bypass PoC Proof of Concept for CVE-2026-29000 - A critical authentication bypass vulnerability in pac4j JWT implementation that allows attackers to forge admin tokens without a valid signature. ⚠️ DISCLAIMER This tool is provided for educational and...

jwt_tool

El kit de herramientas JSON Web Token v2 jwttool.py es un kit de herramientas para validar, forjar, escanear y manipular JWTs JSON Web Tokens. Su funcionalidad incluye: Comprobar la validez de un token Probar exploits conocidos: CVE-2015-2951 La vulnerabilidad de omisión de firma alg=none...

CVE-2026-59163

Mnemosyne is a memory layer for artificial intelligence agents. Prior to v3.10.1, the auth check in mnemosyne/core/syncserver.py parsed the JWT's header and payload using base64 decoding, then passed the token to a jwt library call with options that effectively disabled signature verification. Th...

CVE-2026-59163 Mnemosyne has JWT signature verification bypass sync server that allows authentication bypass

Mnemosyne is a memory layer for artificial intelligence agents. Prior to v3.10.1, the auth check in mnemosyne/core/syncserver.py parsed the JWT's header and payload using base64 decoding, then passed the token to a jwt library call with options that effectively disabled signature verification. Th...

CVE-2026-59163 Mnemosyne has JWT signature verification bypass sync server that allows authentication bypass

Mnemosyne is a memory layer for artificial intelligence agents. Prior to v3.10.1, the auth check in mnemosyne/core/syncserver.py parsed the JWT's header and payload using base64 decoding, then passed the token to a jwt library call with options that effectively disabled signature verification. Th...

CVE-2026-59163

Mnemosyne is a memory layer for AI agents. Prior to v3.10.1 , the authentication check in mnemosyne/core/sync_server.py parsed the JWT header and payload via base64 decoding and then passed the token to a jwt library call with options that effectively disabled signature verification , allowing th...

CVE-2026-59163 Mnemosyne has JWT signature verification bypass sync server that allows authentication bypass

Mnemosyne is a memory layer for artificial intelligence agents. Prior to v3.10.1, the auth check in mnemosyne/core/syncserver.py parsed the JWT's header and payload using base64 decoding, then passed the token to a jwt library call with options that effectively disabled signature verification. Th...

CVE-2026-59163: Improper Verification of Cryptographic Signature

Mnemosyne is a memory layer for artificial intelligence agents. Prior to v3.10.1, the auth check in mnemosyne/core/syncserver.py parsed the JWT's header and payload using base64 decoding, then passed the token to a jwt library call with options that effectively disabled signature verification. Th...

NPM: Better Auth has insecure cryptographic defaults in oidcProvider: alg=none advertised and plain PKCE accepted by default

NPM: Better Auth has insecure cryptographic defaults in oidcProvider: alg=none advertised and plain PKCE accepted by default vulnerability discovered by ? in WordPress Npm better-auth versions 1.6.11...

CVE-2026-28802 Authlib: Setting `alg: none` and a blank signature appears to bypass signature verification

Authlib is a Python library which builds OAuth and OpenID Connect servers. From version 1.6.5 to before version 1.6.7, previous tests involving passing a malicious JWT containing alg: none and an empty signature was passing the signature verification step without any changes to the application co...

CVE-2026-28802: Improper Verification of Cryptographic Signature

Authlib is a Python library which builds OAuth and OpenID Connect servers. From version 1.6.5 to before version 1.6.7, previous tests involving passing a malicious JWT containing alg: none and an empty signature was passing the signature verification step without any changes to the application co...

GHSA-7WC2-QXGW-G8GG Authlib: Setting `alg: none` and a blank signature appears to bypass signature verification

Summary After upgrading the library from 1.5.2 to 1.6.0 and the latest 1.6.5 it was noticed that previous tests involving passing a malicious JWT containing alg: none and an empty signature was passing the signature verification step without any changes to the application code when a failure was...

Parse Server 数据伪造问题漏洞

Parse Server is an open-source backend developed by the Parse Platform. It can be deployed on any infrastructure that runs Node.js. Versions of Parse Server prior to 8.6.3 and 9.1.1-alpha.4 contained a data manipulation vulnerability. This vulnerability stemmed from an unverified attacker being...

DEBIAN-CVE-2025-61152

python-jose thru 3.3.0 allows JWT tokens with 'alg=none' to be decoded and accepted without any cryptographic signature verification. A malicious actor can craft a forged token with arbitrary claims e.g., isadmin=true and bypass authentication checks, leading to privilege escalation or unauthoriz...

CVE-2025-61152

python-jose thru 3.3.0 allows JWT tokens with 'alg=none' to be decoded and accepted without any cryptographic signature verification. A malicious actor can craft a forged token with arbitrary claims e.g., isadmin=true and bypass authentication checks, leading to privilege escalation or unauthoriz...