Status: UPDATED
| Advisory ID: CVE-2026-80465
Key Details
| CVE | CVE-2026-80465 |
| CVSS Score / Version | 8.7 (High) / CVSS v3.1 |
| Updated | 2026-09-08 |
| CVSS Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N |
| CVSS Prose | attack vector is network; attack complexity is high; privileges required is none; user interaction is none; scope is changed; confidentiality impact is high; integrity impact is high; availability impact is none. |
| Affected products | Siemens Mendix SAML (Mendix 10 compatible), Siemens Mendix SAML (Mendix 11 compatible), and Siemens Mendix SAML (Mendix 9.24 compatible) |
| Classified as | CWE-347 (Improper Verification of Cryptographic Signature) |
Affected Products, Subsystems & Sectors
| Subsystems | General OT |
| Sectors | Multiple |
What to Know
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. (NVD)
What to Do
Monitor Siemens's web page for any future patch releases.
References