CVE-2026-22734: Cloud Foundry Uua

High severity, CVSS 8.6. EPSS: 0.4% chance of exploitation in the next 30 days.

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).

Affected products

• Cloud Foundry Uua: from v77.21.0, up to and including v78.8.0

Published 2026-04-17. Last modified 2026-06-17.