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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

Update M-Files Server to unaffected version.

Workaround

No workaround given by the vendor.

References
Link Providers
https://product.m-files.com/security-advisories/cve-2026-0663/ cve-icon cve-icon
History

Wed, 21 Jan 2026 19:45:00 +0900

Type Values Removed Values Added
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.
Title Denial of Service condition in M-Files Server
Weaknesses CWE-1286
References
Metrics cvssV4_0

{'score': 6.9, '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: M-Files Corporation

Published:

Updated: 2026-01-21T10:29:57.786Z

Reserved: 2026-01-07T09:47:06.520Z

Link: CVE-2026-0663

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-01-21T11:15:50.880

Modified: 2026-01-21T11:15:50.880

Link: CVE-2026-0663

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses