Security Advisory

CVE-2026-50627

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-12 08:55:41

Last updated 2026-07-15 00:46:41

Assigner apache

CVSS score not scored

State PUBLISHED

Description

The JwtAccessTokenValidator class in Apache CXF fails to validate the 'aud' (Audience) claims of incoming JWT access tokens. This allows a JWT issued for one Resource Server to be successfully replayed against a completely different Resource Server, leading to Token Confusion/Routing attacks. Users are recommended to upgrade to versions 4.2.2 or 4.1.7, which fixes this issue.

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