Improper access control in SAML - CVE-2026-84668

 

Improper access control in SAML - CVE-2026-84668

Published: September 7, 2026


Vulnerability identifier: #VU147212
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-84668
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions within the @DataBoundConstructor annotation. A remote user can overwrite the SAML identity provider metadata with attacker-controlled content without the required permission.


Affected software

SAML

How to mitigate CVE-2026-84668

Install updates from vendor's website.

SAML - update to 4.623.v7875d61cd9f5

External References

Related Security Bulletins