CVE-2026-123541

MEDIUM 4.7

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

CVSS Score

4.7

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-601
Vendor	openidentityplatform
Product	openam
Published	Nov 8, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

None

Integrity

Low

Availability

None

Affected Versions

OpenIdentityPlatform / OpenAM

0 < 16.1.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-rw43-r238-4c7j vulncheck.com: https://www.vulncheck.com/advisories/openam-before-16.1.4-open-redirect-via-saml-1-x-trusted-partner-matching

Credits

🔍 qurb4n01 vharseko maximthomas tsujiguchitky