CVE-2026-0663

Medium

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.

SeverityMedium

CVSS4.9

Exploit probability—

ProductM-files Server

PublishedJan 21, 2026

First seenJan 21, 2026

Weakness typeCWE-1286CWE-1286

How to fix

Update

m-files m-files_server26.1.15632.3 or later

Vendor advisories

product.m-files.com/security-advisories/cve-2026-0663/
empower.m-files.com/security-advisories/CVE-2026-0663

Affected products

Product	Affected versions	Fixed in
m-files m-files_server	v < 26.1.15632.3	26.1.15632.3

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