VulnSocial

CVE-2026-47839Disclosure

LOWCVSS 9.2 · CRITICAL

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-284

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Threat summary

  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 1 mentions (2026-09-11); latest day: 1
  • 2 total mentions across 2 days

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-09-11: 1Mentions · 2026-09-14: 1Technical Details · 2026-09-11: 1Technical Details · 2026-09-14: 109-1109-14
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
Full discourse2 posts
  • Cyber Threat Observatory | Alan Turing Institute@TuringCyberObs
    Disclosure

    CVE-2026-47839 Cloud Foundry UAA OIDC scope inheritance flaws could give federated users `uaa.admin`, exposing user, policy and token-issuance controls Full analysis: https://github.com/alan-turing-institute/cyber-threat-observatory/blob/main/reports/2026-09-11/TIER_2_CVE-2026-47839.md #CyberSecurity #IdentitySecurity #VulnerabilityManagement

    Post summary

    The post discloses a vulnerability (CVE-2026-47839) in Cloud Foundry UAA involving OIDC scope inheritance flaws that allow privilege escalation to `uaa.admin`, linking to a detailed technical analysis report.

    0102055
    62 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-47839 A vulnerability allows users authenticating through a federated OIDC provider to obtain the uaa.admin scope despite operators restricting that provider through extern… https://www.cve.org/CVERecord?id=CVE-2026-47839

    Post summary

    The CVE highlights a privilege escalation in an OIDC authentication flow that allows users to gain unintended uaa.admin scope.

    000001.2K
    58.1K followersView on X

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