UNKNOWN NVD
CVE-2025-66621
Apache James SASL OAuthBearer/XOAUTH2 prior versions 3.9.1 fails to validate correctly AUD claim of JWT payloads when introspection is not configured. This all
Apache James SASL OAuthBearer/XOAUTH2 prior versions 3.9.1 fails to validate correctly AUD claim of JWT payloads when introspection is not configured.
This allows an attacker with valid credentials to access the mail server even if they are not authorized to do so.
We recommend users to upgrade to non vulnerable version that forces explicit configuration of aud claims and forces introspection.
References
- https://lists.apache.org/thread.html/xz1g0blzcbxod69oktyq84h7t06xzov6
- http://www.openwall.com/lists/oss-security/2026/11/06/13
- https://www.openwall.com/lists/oss-security/2026/11/06/13
This unknown severity vulnerability was published on 2026-11-06 via NVD.
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