CVE-2026-80465

Published: Sep 3, 2026Updated: Sep 8, 2026 Sources: CVE List NVD csafCWE-347

8.7HIGH

NVD MITRE

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:HAttack Complexity

High

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:CScope

Changed

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:NAvailability

None

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Weaknesses

CWE-347

Affected Products

Siemens

commercial·DEaka siemens ag

Mendix SAML (Mendix 10 compatible)On-prem

Enterprise Software / collaboration-groupware

Mendix SAML (Mendix 11 compatible)On-prem

Enterprise Software / collaboration-groupware

Mendix SAML (Mendix 9.24 compatible)

ICS / OT / IoT

Exploitability

Official Patch Available

Is your org exposed to CVE-2026-80465?Request an assessment to establish which checks are appropriate for your systems. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Collection

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References

https://cert-portal.siemens.com/productcert/html/ssa-887643.html

cert-portal.siemens.com

https://cert-portal.siemens.com/productcert/csaf/ssa-887643.json

cert-portal.siemens.com

https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2026/icsa-26-258-06.json

raw.githubusercontent.com

and 10 more references View all →

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