What is GHSA-9wp3-mffv-5vr4?

GHSA-9wp3-mffv-5vr4 is a security advisory published by GitHub Security Advisories with Critical severity. A vulnerability allows users authenticating through a federated OIDC provider to obtain the uaa...

Which CVE IDs does GHSA-9wp3-mffv-5vr4 cover?

GHSA-9wp3-mffv-5vr4 covers the following CVE IDs: CVE-2026-47839. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-9wp3-mffv-5vr4Critical

A vulnerability allows users authenticating through a federated OIDC provider to obtain the uaa...

Vendor

GitHub Security Advisories

Published

September 11, 2026

Last Modified

September 11, 2026

🔗 CVE IDs covered (1)

CVE-2026-47839 →

📋 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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-47839
https://www.cloudfoundry.org/blog/cve-2026-47839-federated-oidc-users-can-bypass-externalgroupswhitelist-to-gain-uaa-admin
https://github.com/advisories/GHSA-9wp3-mffv-5vr4