Federated OIDC Users Can Bypass externalGroupsWhitelist to Gain uaa.admin (CVE-2026-47839) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-47839

Federated OIDC Users Can Bypass externalGroupsWhitelist to Gain uaa.admin

Answer in brief

CVE-2026-47839 records a Unknown severity vulnerability in Federated OIDC Users Can Bypass externalGroupsWhitelist to Gain uaa.admin. The current sources do not mark it as known exploited. The current feed maps Cloud Foundry Foundation/cf-deployment (generic), Cloud Foundry Foundation/UAA (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 11, 2026Updated Sep 11, 2026Source checked Sep 11, 2026First seen by HOL Sep 11, 2026Material review Sep 11, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 2 mapped packages or products
Fix availability: Not reported

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Cloud Foundry Foundation/cf-deployment (generic), Cloud Foundry Foundation/UAA (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Cloud Foundry Foundation/cf-deploymentgeneric	0	Not reported
Cloud Foundry Foundation/UAAgeneric	0	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Cloud Foundry Foundation/cf-deployment, Cloud Foundry Foundation/UAA.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Sep 11, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 11, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 11, 2026

Sources and claim methodology

Source referencecloudfoundry.org

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.