Mendix SAML (Mendix · CWE-294
Source GCVE Database
Not known to be exploited · CVSS 6.8 Medium : upgrade to 4.2.4 when convenient.
Data as of 26 Oct 2026, 15:56 UTC
- Patch
- Available – fixed in 4.2.4, 3.6.29
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 26 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade Mendix SAML (Mendix 10 compatible) and Mendix SAML (Mendix 11 compatible) to 4.2.4; Mendix SAML (Mendix 9 compatible) and com.siemens/mendix-saml to 3.6.29.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| SiemensMendix SAML (Mendix 10 compatible) | Affected
| Fixed in
|
| SiemensMendix SAML (Mendix 11 compatible) | Affected
| Fixed in
|
| SiemensMendix SAML (Mendix 9 compatible) | Affected
| Fixed in
|
Mavencom.siemens/mendix-samlpkg:maven/com.siemens/mendix-samlOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
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 compatible) (All versions < V3.6.29). Affected versions of the module do not properly protect against SAML assertion replay in IdP-initiated authentication flows. This could allow unauthenticated remote attackers to gain unauthorized access to the application by replaying a valid SAML response.