CVE-2026-80465A 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) (Al…
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It affects Siemens Mendix SAML (Mendix 10 compatible) and 2 other products. Add what you run to find out whether that includes you.
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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
- 8.7 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
- Weakness (CWE)
- CWE-347
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- siemens
- NVD analysis
- Deferred
- Record last updated
- Sep 3, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Siemens Mendix SAML (Mendix 10 compatible) siemens:mendix_saml_mendix_10_compatible (from the name) | before V4.2.3 | CNA record |
Siemens Mendix SAML (Mendix 11 compatible) siemens:mendix_saml_mendix_11_compatible (from the name) | before V4.2.3 | CNA record |
Siemens Mendix SAML (Mendix 9.24 compatible) siemens:mendix_saml_mendix_9.24_compatible (from the name) | before V3.6.27 | CNA record |
References
- https://cert-portal.siemens.com/productcert/html/ssa-887643.html
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.