CVE-2026-47839
A vulnerability allows users authenticating through a federated OIDC provider to obtain the uaa.admin scope despite operators restricting that provider through externalGroupsWhitelist configuration. The issue occurs specifically when an OIDC identity provider uses groupMappingMode: AS_SCOPES with a wildcard externalGroupsWhitelist entry.
- Published Sep 11, 2026
- CVSS 9.2 critical
- 0.3% chance of exploitation in the next 30 days (EPSS)