CVE-2026-22734 HIGH

CVE-2026-22734: Cloud Foundry UAA SAML 2.0 Signature Bypass

Vendor Cloud Foundry
Product UUA
Weakness CWE-290
Published April 16, 2026
Last update April 17, 2026
View on NVD All CVEs

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

What the vulnerability does

01Description

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).

Key dates

02Disclosure timeline

April 16, 2026 CVE published
April 17, 2026 Record updated