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.
Metrics
Affected Vendors & Products
References
History
Thu, 06 Aug 2026 16:30:00 +0000
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Thu, 06 Aug 2026 12:00:00 +0000
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| 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. | |
| Title | Apache CXF: OAuth2 Dynamic Client Registration Scope Self-Escalation | |
| Weaknesses | CWE-304 | |
| References |
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Status: PUBLISHED
Assigner: apache
Published:
Updated: 2026-08-07T00:01:45.092Z
Reserved: 2026-07-09T14:46:58.308Z
Link: CVE-2026-61466
Updated: 2026-08-07T00:01:45.092Z
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OpenCVE Enrichment
Updated: 2026-08-06T17:30:16Z