CVE-2026-47839
Federated OIDC Users Can Bypass externalGroupsWhitelist to Gain uaa.admin
No known exploitation. EPSS puts it in the 25th percentile. Fixed versions are out.
No public exploit knownFix2 products2 fixed builds listed below
No ready-made check. Neither Nuclei nor OpenVAS has one for this CVE yet.
What to do
Find your product and version, then upgrade to the build on the right.
- Cloud Foundry Foundation UAAAffected: ≤ 77.30.0Upgrade to: after 77.30.0Fixed builds77.31.0Stated by: CVE record
- Cloud Foundry Foundation cf-deploymentAffected: ≤ 48.9.0Upgrade to: after 48.9.0Fixed builds48.10.0Stated by: CVE record
Versions as the sources state them. Full version matrix after sign-in
What it is
From the CVE record
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.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.3% chance of exploitation activity in the next 30 days, which ranks it in the 25th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 7 days, from the signal feeds we watch.
- Record updated
- Publishedweakness classified, record updated, record updated
Affected products
Technical detail
Weaknesses
Sources
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