CVE-2026-29000

CVE-2026-29000 CVE-2026-29000: Critical Authentication Bypass in pac4j-jwt - Using Only a Public Key CVSS 10 pac4j-jwt Authentication Bypass Exploit CVE-2026-29000 Vulnerability Summary CVE-2026-29000 is a critical authentication bypass in the pac4j-jwt library versions 6.0.3 and below. When the...

CVE-2026-29000---pac4j-jwt-Authentication-Bypass-PoC

CVE-2026-29000 - pac4j-jwt Authentication Bypass PoC Note: This is not my original work. I am keeping this here for a reference. Working methodology: root@kitploit: python3 exploit.py http://IP:PORT Fetching JWKS... + Got RSA public key kid: enc-key-1 Crafted PlainJWT with sub=admin, role=ROLEADM...

Principal-HackTheBox

HackTheBox — Principal Difficulty: Medium OS: Linux Platform: HackTheBox Overview Web application running pac4j-jwt v6.0.3 — vulnerable to CVE-2026-29000. The public RSA key is exposed unauthenticated via a JWKS endpoint and can be used to forge a valid admin JWE token, bypassing authentication...

CVE-2026-53939 OpenIDC/cjose uses all-zero Content Encryption Key for AES-CBC-HMAC JWE encryption

OpenIDC/cjose is a C library implementing the Javascript Object Signing and Encryption JOSE. In versions 0.6.1 through 0.6.2.5, when cjose encrypts a JWE using an AES-CBC-HMAC content-encryption algorithm A128CBC-HS256, A192CBC-HS384, or A256CBC-HS512 together with any key-management algorithm th...