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8.6
Cloud Foundry UAA Token Bypass: Attackers Can Access Protected Systems
CVE-2026-22734
Summary
A security issue in Cloud Foundry's UAA system allows attackers to get a special token that lets them access systems that should be protected. This can happen if a specific security feature is turned on. To stay safe, update your Cloud Foundry UAA to a version that fixes this issue, and make sure your CF Deployment is also up to date.
Original title
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 assertion...
Original 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).
nvd CVSS3.1
8.6
Vulnerability type
CWE-290
Published: 17 Apr 2026 · Updated: 17 Apr 2026 · First seen: 17 Apr 2026