CVE-2026-123547 OpenAM before 16.1.4 Open Redirect via SAML v2.0 RelayState

Low 2.3 Published Updated
Exploited in the wild
Not known
Fix
None listed

What is CVE-2026-123547?

CVE-2026-123547 is a low-severity vulnerability in OpenIdentityPlatform OpenAM, published on 8 Nov 2026.

Official description

OpenAM before 16.1.4 contains an open redirect vulnerability that allows attackers to redirect users to external sites because RelayState is unchecked when no relayStateUrlList is configured. Attackers can craft single sign-on links with a malicious RelayState to send users from the trusted OpenAM origin to phishing sites and bypass URL filters.

Weakness: CWE-601

Which versions are affected by CVE-2026-123547?

How do I fix CVE-2026-123547?

No fix has been published for CVE-2026-123547 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-123547 being exploited?

There is no known exploitation of CVE-2026-123547 in the wild and no public exploit code.

Sources

Also known as GHSA-26f2-35v8-467g, GHSA-fhqm-62hv-4phw.

Is CVE-2026-123547 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free