CVE-2026-22734

Cloud Foundry UAA SAML 2.0 Signature Bypass

State
Published
Severity
8.6 High
Published
Apr 16, 2026
Updated
Apr 17, 2026
Reserved
Jan 9, 2026

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Description

Cloud Foundry UUA is vulnerable to a bypass that allows an attacker to obtain a token for any user and gain access to UAA-protected systems. This vulnerability exists when SAML 2.0 bearer assertions are enabled for a client, as the UAA accepts SAML 2.0 bearer assertions that are neither signed nor encrypted. This issue affects UUA from v77.30.0 to v78.7.0 (inclusive) and it affects CF Deployment from v48.7.0 to v54.14.0 (inclusive).

Scores

CVSSScoreVectorSource
3.18.6 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:Nvmware

Weaknesses

  • CWE-290 Authentication bypass by spoofing

Affected Products

ProductVersions
UUACloud Foundry
  • v77.21.0 through v78.8.0Affected

References

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