CVE-2026-80465highCWE-347

CVE-2026-80465: high-severity vulnerability in Siemens Mendix SAML (Mendix 10 compatible)

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.8epss 0.3%
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 9.24 compatible) (All versions < V3.6.29). 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.
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
Affected products
Siemens · Mendix SAML (Mendix 10 compatible)Siemens · Mendix SAML (Mendix 11 compatible)Siemens · Mendix SAML (Mendix 9.24 compatible)
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