CVE-2026-29000

CVE-2026-29000 affects pac4j-jwt versions prior to 4.5.9, 5.7.9, and 6.3.3. The issue is an authentication bypass in JwtAuthenticator when handling encrypted JWTs, enabling an attacker who has the server’s RSA public key to forge a JWE-wrapped PlainJWT with arbitrary subject and role claims. This...