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.

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

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00094.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
M-Files Corporation M-Files Server unaffected
Version Status Constraints
0 affected < 26.1.15632.3

Configuration 1 [-]

cpe:2.3:a:m-files:m-files_server:*:*:*:*:*:*:*:*

No data.

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Vendors Products
M-files Corporation Subscribe
M-files Server Subscribe

Project Subscriptions

Vendors Products
M-files Subscribe
M-files Server Subscribe
M-files Corporation Subscribe
M-files Server Subscribe
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

Mon, 02 Feb 2026 16:00:00 +0000

Type Values Removed Values Added
First Time appeared M-files
M-files m-files Server
CPEs cpe:2.3:a:m-files:m-files_server:*:*:*:*:*:*:*:*
Vendors & Products M-files
M-files m-files Server
Metrics cvssV3_1

{'score': 4.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'}

Fri, 23 Jan 2026 16:45:00 +0000

Type Values Removed Values Added
First Time appeared M-files Corporation
M-files Corporation m-files Server
Vendors & Products M-files Corporation
M-files Corporation m-files Server

Wed, 21 Jan 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 21 Jan 2026 10:45:00 +0000

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: 2026-01-21T14:27:18.358Z

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

Link: CVE-2026-0663

cve-icon Vulnrichment

Updated: 2026-01-21T14:27:08.214Z

cve-icon NVD

Status : Analyzed

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

Modified: 2026-02-02T15:46:40.083

Link: CVE-2026-0663

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-22T10:15:22Z

Weaknesses