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.
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Fri, 11 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 11 Sep 2026 12:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284

Fri, 11 Sep 2026 09:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Federated OIDC Users Can Bypass externalGroupsWhitelist to Gain uaa.admin
References
Metrics cvssV4_0

{'score': 9.2, 'vector': '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: vmware

Published:

Updated: 2026-09-11T14:24:54.282Z

Reserved: 2026-05-20T10:00:51.003Z

Link: CVE-2026-47839

cve-icon Vulnrichment

Updated: 2026-09-11T13:02:03.165Z

cve-icon NVD

Status : Received

Published: 2026-09-11T10:16:51.567

Modified: 2026-09-11T15:17:02.193

Link: CVE-2026-47839

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-11T12:00:16Z

Weaknesses