SecuriTricks - CVE-2026-22734

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).

Product(s) Impacted

Vendor	Product	Versions
Cloud Foundry	Uua Cf Deployment	77.30.0-78.7.0 48.7.0-54.14.0

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-290

Authentication Bypass by Spoofing

This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	cloud_foundry	uua	77.30.0-78.7.0	/	/	/	/	/	/	/
a	cloud_foundry	cf_deployment	48.7.0-54.14.0	/	/	/	/	/	/	/

References

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

CVSS Score

8.6 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: NONE
Scope: CHANGED
Confidentiality Impact: HIGH
Integrity Impact: NONE
Availability Impact: NONE

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

View Vector String

Timeline

Published: April 17, 2026, 1:17 a.m.
Last Modified: April 17, 2026, 3:38 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2026-22734