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CVE-2026-61466: 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, wit

criticalCVSS 9.1CVE-2026-61466
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.

Details

Source
NVD Recent CVEs (US · database · site)
Severity
critical — CVSS 9.1
Published
2026-08-06
Last updated
2026-08-07
Exploitation
Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-61466

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-61466coverage & exploitation statusNVD · CVE.org

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