CVE-2026-0663 MEDIUM

CVE-2026-0663: Denial of Service condition in M-Files Server

Vendor M-Files Corporation
Product M-Files Server
Weakness CWE-1286
Published January 21, 2026
Last update February 23, 2026

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Denial-of-service vulnerability in M-Files Server versions before 26.1.15632.3 allows an authenticated attacker with vault administrator privileges to crash the M-Files Server process by calling a vulnerable API endpoint.

Key dates

02Disclosure timeline

January 21, 2026 CVE published
February 23, 2026 Record updated