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CVE-2026-0983— Denial of service vulnerability in M-Files Server

Quick assessment

Affected
M-Files Corporation M-Files Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

M-Files Server是M-Files公司的一个 M-Files 系统的服务器。 M-Files Server 26.5.16015.0之前版本、26.2 LTS之前版本和25.8 LTS SR3之前版本存在安全漏洞，该漏洞源于拒绝服务条件，可能导致MFserver进程崩溃。

AI Predicted 5.5 Difficulty: Easy EPSS 0.23% · P12

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 3

VendorProduct Version RangeStatus
M-Files Corporation M-Files Server < 26.5.16015.0 affected
LTS 25.8.15085.13< LTS 25.8.15085.24 affected
LTS 26.2.15718.8< LTS 26.2.15718.10 affected
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I. Basic Information for CVE-2026-0983

Vulnerability Information
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Vulnerability Title
Denial of service vulnerability in M-Files Server
Source: CVE Program / CVE List V5
Vulnerability Description
Denial-of-service condition in M-Files Server versions before 26.5.16015.0, before 26.2 LTS, and before 25.8 LTS SR3 allows an authenticated user to cause the MFserver process to crash
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1286
Source: CVE Program / CVE List V5
Vulnerability Title
M-Files Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
M-Files Server是M-Files公司的一个 M-Files 系统的服务器。 M-Files Server 26.5.16015.0之前版本、26.2 LTS之前版本和25.8 LTS SR3之前版本存在安全漏洞，该漏洞源于拒绝服务条件，可能导致MFserver进程崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
M-Files Corporation M-Files Server 0 ~ 26.5.16015.0 -

II. Public POCs for CVE-2026-0983

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III. Intelligence Information for CVE-2026-0983

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Vendor Advisories for CVE-2026-0983 (1)

IV. Related Vulnerabilities

Same product: M-Files Server
Same vendor: M-Files Corporation
Same weakness: CWE-1286

V. Comments for CVE-2026-0983

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