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GHSA-v436-q368-hvgg

Keycloak has lack of validation of access token on client registrations endpoint

Source: GitHub Advisory Database (reviewed) Moderate CVE-2023-0091

Packages

EcosystemPackageAffectedFixed in
Maven org.keycloak:keycloak-core < 20.0.3 20.0.3

Details

As written in the advisory (Markdown source, shown as plain text).

When a service account with the create-client or manage-clients role can use the client-registration endpoints to create/manage clients with an access token. If the access token is leaked, there is an option to revoke the specific token. However, the check is not performed in client-registration endpoints.

References

External links from the advisory. They lead to third-party sites.