CVE-2026-0663

Denial of Service condition in M-Files Server

State: Published
Severity: 6.9 Medium
Published: Jan 21, 2026
Updated: Feb 23, 2026
Reserved: Jan 7, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	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	M-Files Corporation

Weaknesses

CWE-1286 Improper Validation of Syntactic Correctness of Input

Affected Products

Product	Versions
M-Files ServerM-Files Corporation	before 26.1.15632.3Affected

References

https://product.m-files.com/security-advisories/cve-2026-0663/vendor-advisory
https://empower.m-files.com/security-advisories/CVE-2026-0663vendor-advisory

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.