OpenAM before 16.1.4 contains an authentication bypass vulnerability in its SAML v2.0 service provider that accepts unsigned assertions on the ECP (PAOS) and HTTP-Artifact bindings when WantAssertionsSigned is false. Unauthenticated remote attackers can submit forged assertions to obtain sessions as any mapped user, including administrators, and hijack single sign-on to dependent applications.
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Affected Vendors & Products
Advisories
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Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Sun, 08 Nov 2026 01:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | OpenAM before 16.1.4 contains an authentication bypass vulnerability in its SAML v2.0 service provider that accepts unsigned assertions on the ECP (PAOS) and HTTP-Artifact bindings when WantAssertionsSigned is false. Unauthenticated remote attackers can submit forged assertions to obtain sessions as any mapped user, including administrators, and hijack single sign-on to dependent applications. | |
| Title | OpenAM before 16.1.4 SAML Authentication Bypass via Unsigned Assertions | |
| First Time appeared |
Openidentityplatform
Openidentityplatform openam |
|
| Weaknesses | CWE-290 | |
| CPEs | cpe:2.3:a:openidentityplatform:openam:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Openidentityplatform
Openidentityplatform openam |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-11-08T01:37:54.178Z
Reserved: 2026-11-06T00:49:30.576Z
Link: CVE-2026-123550
No data.
Status : Received
Published: 2026-11-08T02:16:46.410
Modified: 2026-11-08T02:16:46.410
Link: CVE-2026-123550
No data.
OpenCVE Enrichment
Updated: 2026-11-08T06:15:14Z
Weaknesses