CVE-2025-40758

High

Description

A vulnerability has been identified in Mendix SAML (Mendix 10.12 compatible) (All versions < V4.0.3), Mendix SAML (Mendix 10.21 compatible) (All versions < V4.1.2), Mendix SAML (Mendix 9.24 compatible) (All versions < V3.6.21). Affected versions of the module insufficiently enforce signature validation and binding checks. This could allow unauthenticated remote attackers to hijack an account in specific SSO configurations.

SeverityHigh
CVSS8.7
Exploit probability—
ProductMendix SAML (Mendix 10.12 compatible)
PublishedAug 14, 2025
First seenAug 14, 2025
Weakness typeCWE-347CWE-347

How to fix

Update
  • Siemens Mendix SAML (Mendix 10.12 compatible)V4.0.3 or later
  • Siemens Mendix SAML (Mendix 10.21 compatible)V4.1.2 or later
  • Siemens Mendix SAML (Mendix 9.24 compatible)V3.6.21 or later

Affected products

ProductAffected versionsFixed in
Siemens Mendix SAML (Mendix 10.12 compatible)v < V4.0.3V4.0.3
Siemens Mendix SAML (Mendix 10.21 compatible)v < V4.1.2V4.1.2
Siemens Mendix SAML (Mendix 9.24 compatible)v < V3.6.21V3.6.21

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