Severity: HighAction: Review

Siemens Mendix SAML Module

View CSAF Summary Mendix SAML module contains an authentication bypass vulnerability that could allow an unauthenticated remote attacker to gain unauthorized access by replaying a valid SAML assertion in IdP-initiated authentication flows. Siemens has released new versions for the affected products and recommends to update to the latest versions. The following versions of Siemens Mendix SAML Module are…

Excerpt from the primary source: CISA Cybersecurity Advisories

Who is affected

Critical infrastructure

What you should do · Review

Review whether your organization uses the affected products and assess exposure using the linked advisories.

Automated guidance based on this story's classification. Check the linked advisories for specifics.

Sources

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Government advisory

Siemens Mendix SAML Module CISA Cybersecurity Advisories · cisa.gov · Oct 29, 2026 · Primary source
Severity: ElevatedAction: Be aware

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