Pac4j-jwt Product Security Update Advisory (CVE-2026-29000)

Overview

 

PAC4J-JWT has released a security update to address a vulnerability in our its product. Users of affected products are advised to update to the latest version.

 

 

Affected Products

 

CVE-2026-29000

 

pac4j-jwt version: 4.x
pac4j-jwt version: 5.x
pac4j-jwt version: 6.x

 

 

Resolved Vulnerabilities

 

Authentication bypass vulnerability in pac4j-jwt (CVE-2026-29000)

 

 

Vulnerability Patches

 

Vulnerability Patches have been made available in the latest update. Please follow the instructions on the Referenced Sites to update to the latest version of Vulnerability Patches.

 

CVE-2026-29000

 

pac4j-jwt version: 4.5.9 or later
pac4j-jwt version: 5.7.9 or later
pac4j-jwt version: 6.3.3 and later

 

 

References

 

[1] Security advisory for pac4j-jwt (JwtAuthenticator)
https://www.pac4j.org/blog/security-advisory-pac4j-jwt-jwtauthenticator.html