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CVE-2026-80465 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

A vulnerability has been identified in Mendix SAML (Mendix 10 compatible) (All versions < V4.2.3), Mendix SAML (Mendix 11 compatible) (All versions < V4.2.3), Mendix SAML (Mendix 9.24 compatible) (All versions < V3.6.27). Affected versions of the module do not properly validate the SAML response signature. This could allow unauthenticated remote attackers to hijack an account (session) in specific SSO configurations.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:9.1 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CNA: [email protected]CVSS-B:8.7 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://cert-portal.siemens.com/productcert/html/ssa-887643.html	[email protected]	AdvisoryRemedyVendor

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-347	Improper Verification of Cryptographic Signature	[email protected]

Affected Products

Product	Versions
Siemens Mendix SAML	< V4.2.3 < V3.6.27
CPE cpe:2.3:a:mendix:saml:::::::: Remediation Upgrade: V4.2.3moderate efforthttps://marketplace.mendix.com/link/component/1174 Upgrade: V3.6.27moderate efforthttps://marketplace.mendix.com/link/component/1174

Change History

2 change records found show changes

Date	Action	Recorded By
Sep 3, 2026	CVE Modified	CISA-ADP
Sep 3, 2026	New CVE Received	[email protected]