CVE-2026-47839 Federated OIDC Users Can Bypass externalGroupsWhitelist to Gain uaa.admin

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: ASSCOPES with ...

CVE-2026-47839

Cloud Foundry UAA and cf-deployment are vulnerable to a privilege-escalation flaw in federated OIDC authentication. When an OIDC identity provider is configured with groupMappingMode: AS_SCOPES and a wildcard externalGroupsWhitelist entry, users can obtain the uaa.admin scope despite operators in...

EUVD-2026-76026

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: ASSCOPES with ...

CVE-2026-47839 - Federated OIDC Users Can Bypass externalGroupsWhitelist to Gain uaa.admin | Cloud Foundry

High CVSS score: 9.2 Critical CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS score: 9.0 Critical CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H Vendor CloudFoundry Foundation Versions Affected Severity is Critical unless otherwise noted. UAA – All versions through v77.30.0...