CVE-2026-0931 M-Files Corporation CVE debrief

Who should care

M-Files Server administrators and users with admin privileges should verify their server versions and apply updates if necessary. Security teams and vulnerability management teams should also review and prioritize this vulnerability based on potential impact and existing mitigations.

Technical summary

CVE-2026-0931 is a denial-of-service vulnerability in M-Files Server versions before 26.5.16015.3. An authenticated admin user can cause the M-Files Server process to crash and fail to restart. The CVSS score is 6.9 (MEDIUM). Affected systems may experience service disruption.

Defensive priority

Authenticated admin users should verify M-Files Server version and apply updates.

Recommended defensive actions

• Verify M-Files Server version and apply updates if necessary
• Restrict admin user access and monitor for suspicious activity
• Implement compensating controls to detect and prevent potential attacks

Evidence notes

The CVE description notes a denial-of-service vulnerability in M-Files Server versions before 26.5.16015.3. An authenticated admin user can cause the M-Files Server process to crash and fail to restart. Official records are limited; further verification is recommended. Evidence is limited to CVE.org and NVD records.

Official resources