pac4j CVEs · Mitigation candidate

Protected by Waratek 0 0.0% Rule in development 0 0.0% Mitigation candidate 1 100.0% No exploit published 0 0.0%

Critical 1 100.0% High 0 0.0% Medium 0 0.0% Low 0 0.0% None 0 0.0% Unknown 0 0.0%

blocked by ARMR today 0 0.0% partly blocked 0 0.0% not blocked 1 100.0% not established 0 0.0% unrecorded 0 0.0%

Exploited 0 0.0% Working exploit published 0 0.0% Proof of concept only 1 100.0% Forecast only 0 0.0% No public exploit 0 0.0%

split by StatusSeverityProtectionExploit maturity peak 1 / month

Mar 261 Mitigation candidate1 Critical1 not blocked1 Proof of concept only1

Mar 26

CVE	Severity	Published▾	Status	Exploitation	Description
CVE-2026-29000	Critical	2026-03-04	Mitigation candidate	Proof of concept only	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.

CVE

Severity

Published▾

Status

Exploitation

Description

CVE-2026-29000

Critical

2026-03-04

Mitigation candidate

Proof of concept only

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.