CVE-2026-123552 OpenAM before 16.1.4 SSRF and CRL Tampering via Certificate CRL Distribution Point

Medium 6.3 Published Updated
Exploited in the wild
Not known
Fix
None listed

What is CVE-2026-123552?

CVE-2026-123552 is a medium-severity vulnerability in OpenIdentityPlatform OpenAM, published on 8 Nov 2026.

Official description

OpenAM before 16.1.4 contains a server-side request forgery vulnerability in certificate CRL checking that fetches CRLs from the distribution point named in a presented certificate without restricting the destination or verifying the downloaded CRL's signature. Attackers holding a trusted-CA-chained certificate can make OpenAM request internal hosts, capture configured CRL update credentials, overwrite stored revocation data to block certificate authentication for that CA, and tie up authentication threads.

Weakness: CWE-918

Which versions are affected by CVE-2026-123552?

How do I fix CVE-2026-123552?

No fix has been published for CVE-2026-123552 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-123552 being exploited?

There is no known exploitation of CVE-2026-123552 in the wild and no public exploit code.

Sources

Also known as GHSA-g5vw-v384-gw9v, GHSA-wfq9-2cqg-wvv2.

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