Open redirect in SAML SSO - Service Provider - CVE-2026-87945

 

Open redirect in SAML SSO - Service Provider - CVE-2026-87945

Published: September 11, 2026


Vulnerability identifier: #VU148960
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2026-87945
CWE-ID: CWE-601
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to redirect victims to arbitrary URL.

The vulnerability exists due to improper sanitization of user-supplied data. A remote attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.

Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.


Affected software

SAML SSO - Service Provider

How to mitigate CVE-2026-87945

Install updates from vendor's website.

SAML SSO - Service Provider - update to 3.2.0

External References

Related Security Bulletins