En resumen
- CVE-2026-29000 es una vulnerabilidad CRÍTICO (CVSS 9.1) que afecta a org.pac4j:pac4j-jwt.
- Probabilidad de explotación en los próximos 30 días (EPSS): 6.2%, mayor que el 93.5% de las vulnerabilidades.
- Solución: actualizar a 5.7.9, 6.3.3, 4.5.9 o posterior.
| Package | Affected versions | Patched versions |
|---|
| org.pac4j:pac4j-jwt Maven | ≥ 5.0.0-RC1, < 5.7.9≥ 6.0.4.1, < 6.3.3< 4.5.9
| 5.7.96.3.34.5.9
|
Description
pac4j-jwt versions prior to 4.5.9, 5.7.9, and 6.3.3 contain an authentication bypass vulnerability in JwtAuthenticator when processing encrypted JWTs that allows remote attackers to forge authentication tokens. Attackers who possess the server's RSA public key can create a JWE-wrapped PlainJWT with arbitrary subject and role claims, bypassing signature verification to authenticate as any user including administrators.
NVD description
pac4j-jwt versions prior to 4.5.9, 5.7.9, and 6.3.3 contain an authentication bypass vulnerability in JwtAuthenticator when processing encrypted JWTs that allows remote attackers to forge authentication tokens. Attackers who possess the server's RSA public key can create a JWE-wrapped PlainJWT with arbitrary subject and role claims, bypassing signature verification to authenticate as any user including administrators.
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