# CVE-2026-123550

OpenAM SAML auth bypass allows forged assertions to gain admin sessions.

- Page: https://www.vulneraibility.com/cve/CVE-2026-123550
- CVSS: 9.3
- Known exploited: not in CISA KEV as of our last sync
- EPSS: 0.56% (percentile 46.8)
- Weakness: CWE-290
- Also known as: GHSA-3j2f-qhrc-rjfj
- Published: 2026-11-08

## Affected versions

- OpenIdentityPlatform OpenAM: affected < 16.1.4; fixed in 16.1.4

A version outside these ranges is not a statement that it is unaffected.

## Impact

Attackers can submit forged unsigned SAML assertions to obtain sessions as any mapped user (including admins), enabling full SSO account takeover.

## Action

Immediate action required

## Recommendation

Upgrade to OpenAM 16.1.4+, enforce WantAssertionsSigned, block PAOS/Artifact if unused

## References

- [advisory] https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-3j2f-qhrc-rjfj
- [advisory] https://www.vulncheck.com/advisories/openam-before-16.1.4-saml-authentication-bypass-via-unsigned-assertions

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.