CVE-2026-61466

CRITICAL9.1

Published 2026-08-06 · Updated 2026-08-06 · Source security@apache.org

Description

In Apache CXF's OAuth2 Dynamic Client Registration endpoint, the authorization server accepts and stores the `scope` value supplied in the client registration request verbatim, without validating it against an AS-defined allowlist. This could lead to a client self-assigning privileged scopes at registration time. Users are recommended to upgrade to versions 4.2.3 or 4.1.8 or 3.6.12, which fix this issue.

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CWE-304

References

https://lists.apache.org/thread/2l1r16g79tpxd7fzrzr2q9oscwrjgljs

View on NVD

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