Is CVE-2026-80465 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-80465?

CVE-2026-80465 has a CVSS v3 severity of HIGH (8.7).

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CVE-2026-80465

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.