CVE-2026-80465
CVE-2026-80465
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.
CVSS v3 metric
CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N.
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-80465?
- CVE-2026-80465 is a high-severity vulnerability, classified under Improper Verification of Cryptographic Signature. CVSS score: 8.7/10. Published 2026-09-03.
- How severe is CVE-2026-80465?
- High severity. CVSS v3 base score is 8.7 out of 10.