What is GHSA-c6gm-hvjc-mr8p?

GHSA-c6gm-hvjc-mr8p is a security advisory published by GitHub Security Advisories with High severity. A vulnerability has been identified in Mendix SAML (Mendix 10 compatible) (All versions \u003c V4.2.4)...

Which CVE IDs does GHSA-c6gm-hvjc-mr8p cover?

GHSA-c6gm-hvjc-mr8p covers the following CVE IDs: CVE-2026-89209. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-c6gm-hvjc-mr8p?

GHSA-c6gm-hvjc-mr8p has a CVSS v3 base score of 6.8, published by GitHub Security Advisories.

GHSA-c6gm-hvjc-mr8pHighCVSS 6.8

A vulnerability has been identified in Mendix SAML (Mendix 10 compatible) (All versions < V4.2.4)...

Vendor

GitHub Security Advisories

Published

October 26, 2026

Last Modified

October 26, 2026

🔗 CVE IDs covered (1)

CVE-2026-89209 →

📋 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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-89209
https://cert-portal.siemens.com/productcert/html/ssa-137528.html
https://github.com/advisories/GHSA-c6gm-hvjc-mr8p