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CVE-2026-89209

MEDIUM
6.8
CVSS Score
Published: October 26, 2026 at 10:41 AM UTC
Updated: October 26, 2026 at 06:41 PM UTC
1 product affected across 1 vendorMendix Saml

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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.3%

Description

A vulnerability has been identified in Mendix SAML (Mendix 10 compatible) (All versions < V4.2.4), Mendix SAML (Mendix 11 compatible) (All versions < V4.2.4), Mendix SAML (Mendix 9 compatible) (All versions < V3.6.29). Affected versions of the module do not properly protect against SAML assertion replay in IdP-initiated authentication flows. This could allow unauthenticated remote attackers to gain unauthorized access to the application by replaying a valid SAML response.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Mendix Saml· Siemens
90%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://cert-portal.siemens.com/productcert/html/ssa-137528.html

CVSS

6.8MEDIUMsiemens
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-294

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