What is CVE-2026-22734?

CVE-2026-22734 is a high-severity vulnerability in Cloud Foundry Uua, classified under Authentication Bypass by Spoofing. CVSS score: 8.6/10. Published 2026-04-16.

How severe is CVE-2026-22734?

High severity. CVSS v3 base score is 8.6 out of 10.

Vulnerability in Cloud Foundry Uua

CVE-2026-22734

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 acc…

EPSS: 0.000 (3.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

Affected products

Cloud Foundry Uua — versions v77.21.0

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

References

www.cloudfoundry.org/blog/cve-2026-22734-uaa-saml-2-0-signature-bypass/

Frequently asked questions

What is CVE-2026-22734?: CVE-2026-22734 is a high-severity vulnerability in Cloud Foundry Uua, classified under Authentication Bypass by Spoofing. CVSS score: 8.6/10. Published 2026-04-16.
How severe is CVE-2026-22734?: High severity. CVSS v3 base score is 8.6 out of 10.