CVE-2026-123541 OpenAM before 16.1.4 Open Redirect via SAML 1.x Trusted-Partner Matching

Medium 5.3 Published Updated
Exploited in the wild
Not known
Fix
None listed

What is CVE-2026-123541?

CVE-2026-123541 is a medium-severity vulnerability in OpenIdentityPlatform OpenAM, published on 8 Nov 2026.

Official description

OpenAM before 16.1.4 contains an open redirect vulnerability that allows remote attackers to redirect users after SAML 1.x single sign-on by exploiting loose trusted-partner destination matching. Attackers can craft links to /SAMLAwareServlet or /SAMLPOSTProfileServlet with a destination host resembling a trusted partner to send authenticated users to attacker-controlled phishing sites.

Weakness: CWE-601

Which versions are affected by CVE-2026-123541?

How do I fix CVE-2026-123541?

No fix has been published for CVE-2026-123541 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-123541 being exploited?

There is no known exploitation of CVE-2026-123541 in the wild and no public exploit code.

Sources

Also known as GHSA-j8x6-3fvh-h537, GHSA-rw43-r238-4c7j.

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