CVE-2026-29000

CVE-2026-29000: POC обхода аутентификации pac4j-jwt Этот репозиторий содержит proof-of-concept POC для уязвимости обхода аутентификации в pac4j-jwt CVE-2026-29000. Уязвимость позволяет злоумышленнику обойти проверку подписи, вложив PlainJWT с использованием alg: none внутрь контейнера JWE JSON We...

Exploit for CVE-2026-55040

JWT Token Bypass Exploit for Microsoft SharePoint CVE-2026-5504...

CVE-2026-10714

A security issue exists within FactoryTalk® Services Platform FTSP, allowing an attacker to bypass JWT signature validation during Okta Web Authentication. The vulnerability stems from the application not verifying that the JWT algorithm is configured for RSA, enabling an attacker to set the...

EUVD-2026-43700

A security issue exists within FactoryTalk® Services Platform FTSP, allowing an attacker to bypass JWT signature validation during Okta Web Authentication. The vulnerability stems from the application not verifying that the JWT algorithm is configured for RSA, enabling an attacker to set the...

CVE-2026-10714

The CVE-2026-10714 issue affects FactoryTalk Services Platform (FTSP) . It hinges on a JWT validation bypass where the application does not verify that the JWT algorithm is configured for RSA, allowing an attacker to set the algorithm to "none" and forge tokens. This could enable an authenticated...

PYSEC-2026-2592 lightrag-hku: JWT Algorithm Confusion Vulnerability

Summary The LightRAG API is vulnerable to a JWT algorithm confusion attack where an attacker can forge tokens by specifying 'alg': 'none' in the JWT header. Since the jwt.decode call does not explicitly deny the 'none' algorithm, a crafted token without a signature will be accepted as valid,...

jwt-pwn

jwt-pwn A zero-dependency Python 3 toolkit for discovering an...

Exploit for CVE-2026-29000

🚀 CVE-2026-29000 - pac4j-jwt Authentication Bypass Exploit !...

CVE-2026-39413 LightRAG has a JWT Algorithm Confusion Vulnerability in LightRAG API

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.4.14, the LightRAG API is vulnerable to a JWT algorithm confusion attack where an attacker can forge tokens by specifying 'alg': 'none' in the JWT header. Since the jwt.decode call does not explicitly deny the 'none'...

PT-2026-31285

Name of the Vulnerable Software and Affected Versions LightRAG versions prior to 1.4.14 Description The LightRAG API is susceptible to a JWT algorithm confusion attack. An attacker can forge tokens by setting 'alg': 'none' in the JWT header. The jwt.decode function does not explicitly disallow th...

GuvenliWebYazilimiGelistirme-CipherNone-

🛡️ CipherNone: JWT "alg: none" Vulnerability & Hardening Lab...

Improper Signature Verification

Authlib is vulnerable to improper signature verification. The vulnerability is due to improper validation of JWT tokens where tokens with alg: none and an empty signature bypass the signature verification process, which allows an attacker to forge authentication tokens and gain unauthorized acces...

PYSEC-2026-2118

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 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

CVE-2026-28802 affects the Python package Authlib, which builds OAuth/OpenID Connect servers. The issue occurs in versions 1.6.5 through before 1.6.7, where tests involving a malicious JWT with alg: none and an empty signature could pass the signature verification step without code changes when a...

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...

BIT-PARSE-2026-27804 Parse Server: Account takeover via JWT algorithm confusion in Google auth adapter

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.3 and 9.3.1, an unauthenticated attacker can forge a Google authentication token with alg: "none" to log in as any user linked to a Google account, without knowing their...

CVE-2026-27804

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.3 and 9.1.1-alpha.4, an unauthenticated attacker can forge a Google authentication token with alg: "none" to log in as any user linked to a Google account, without knowing...

CVE-2026-27804 Parse Server: Account takeover via JWT algorithm confusion in Google auth adapter

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.3 and 9.1.1-alpha.4, an unauthenticated attacker can forge a Google authentication token with alg: "none" to log in as any user linked to a Google account, without knowing...

📄 Microsoft Sharepoint Authentication Bypass

This is a proof of concept exploit for a Microsoft Sharepoint authentication bypass vulnerability discovered in 2023. ============================================================================================================================================= | Title : SharePoint Authentication...