Denial-of-Service Vulnerability in M-Files Server by M-Files
CVE-2026-0663

6.9MEDIUM

Key Information:

Vendor

M-files Corporation

Status
M-files Server
Vendor
CVE Published:
21 January 2026

What is CVE-2026-0663?

M-Files Server is susceptible to a denial-of-service vulnerability, allowing an authenticated attacker with vault administrator privileges to exploit a flawed API endpoint. This can lead to the crashing of the M-Files Server process, disrupting service availability. It is crucial for organizations using affected versions to implement security best practices and update to the latest version to mitigate this risk.

Affected Version(s)

M-Files Server 0 < 26.1.15632.3

References

https://product.m-files.com/security-advisories/cve-2026-...
vendor-advisory
https://empower.m-files.com/security-advisories/CVE-2026-...
vendor-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.