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CVE-2026-47839

Federated OIDC Users Can Bypass externalGroupsWhitelist to Gain uaa.admin

CVSS 4.0 9.2 CRITICALCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-47839

Published

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.

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Affected versions, risk and source history

Related advisories and sources

Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.

CVE-2026-47839 · CVE overview and exploitation status

cve-program · CVE-2026-47839

Related changes

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An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

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