| Package | Affected versions | Patched versions |
|---|---|---|
| cxf | ≥ 4.0.0, < 4.1.8≥ 4.2.0, < 4.2.3< 3.6.12 | 4.1.84.2.33.6.12 |
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.
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