CVE-2025-40758: High severity Mendix SAML (Mendix 10.12 compatible) vulnerability

Published Aug 14, 2025
·
Updated

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.

Affected Software

3 affected components
Mendix SAML (Mendix 10.12 compatible)<4.0.3
Mendix SAML (Mendix 10.21 compatible)<4.1.2
Mendix SAML (Mendix 9.24 compatible)<3.6.21

Event History

Aug 14, 2025
CVE Published
via MITRE·03:06 PM
Data Sourced
via MITRE·03:06 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:15 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2025-40758?

The severity of CVE-2025-40758 has not been explicitly categorized, but it poses significant security risks due to insufficient enforcement of signature validation.

2

How do I fix CVE-2025-40758?

To fix CVE-2025-40758, upgrade Mendix SAML to version 4.0.3 or later for Mendix 10.12, version 4.1.2 or later for Mendix 10.21, or version 3.6.21 or later for Mendix 9.24.

3

What are the affected versions in CVE-2025-40758?

CVE-2025-40758 affects Mendix SAML versions prior to 4.0.3 for Mendix 10.12, prior to 4.1.2 for Mendix 10.21, and prior to 3.6.21 for Mendix 9.24.

4

What kind of attacks can exploit CVE-2025-40758?

CVE-2025-40758 could potentially allow attackers to bypass security mechanisms, leading to unauthorized access or data disclosure.

5

Is there a workaround for CVE-2025-40758 if I cannot upgrade immediately?

Currently, there are no documented workarounds for CVE-2025-40758, and it is recommended to apply the upgrade as soon as possible.

Contact

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