CVE-2026-80465

HighCVSS 8.7

Published: 03/09/2026(UTC)Updated: 08/09/2026(UTC)Translated: 03/09/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.18%

7th percentile - higher than 7% of all known CVEs

Summary

A vulnerability has been identified in Mendix SAML (Mendix 10 compatible) (All versions < V4.2.3), Mendix SAML (Mendix 11 compatible) (All versions < V4.2.3), Mendix SAML (Mendix 9.24 compatible) (All versions < V3.6.27). Affected versions of the module do not properly validate the SAML response signature. This could allow unauthenticated remote attackers to hijack an account (session) in specific SSO configurations.

Risk Assessment

The risk includes the possibility of session hijacking in SSO environments, which may lead to unauthorized access to systems and data.

Recommendation

It is recommended to update the Mendix SAML module to a patched version (V4.2.3 or later for Mendix 10/11, V3.6.27 or later for Mendix 9.24) and review SSO configurations.

Other vulnerabilities in Mendix SAML

CVE-2023-25957Critical
The affected versions of the Mendix SAML module insufficiently verify SAML assertions. An unauthenticated remote attacker could bypass authentication and gain access to the application. For compatibility reasons, fixed versions still contain this issue, but only when the recommended default configuration option 'Use Encryption' is disabled.

Original NVD description (English source)

Vulnerability data from NVD (NIST) · CISA KEV · EPSS