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PatchSiren cyber security CVE debrief

CVE-2026-0931 M-Files Corporation CVE debrief

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 M-Files Server administrators and users with admin privileges should verify their server versions and apply updates if necessary. Official records are limited; further verification is recommended.

Vendor
M-Files Corporation
Product
M-Files Server
CVSS
MEDIUM 6.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-05
Original CVE updated
2026-08-31
Advisory published
2026-08-05
Advisory updated
2026-08-31

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.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-0931 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-0931

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-0931 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-0931

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.