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CVE-2026-478399.2CriticalCWE-284

CVE-2026-47839: Federated OIDC Users Can Bypass externalGroupsWhitelist to Gain uaa.admin

Cloud Foundry Foundation · UAA

Vendor fix available · Affected: Cloud Foundry Foundation UAA · Exploitation: unlikely (under 1%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

0.3%probability of exploitation in the next 30 days
24th percentile
050100

Higher than 24% of scored CVEs

9.2CriticalCVSS 4.0
LowCrit.

DescriptionCVE.org

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.

Affected products2

From the CVE record. A product or version that is not listed is unknown, not unaffected.

  • Cloud Foundry Foundation · UAAup to and including 77.30.0
  • Cloud Foundry Foundation · cf-deploymentup to and including 48.9.0

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas
Exploitation
Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV
Not listed
Public check
No public nuclei template

CoverageNo articles yet

No CyberSIXT article names CVE-2026-47839 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.

References

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