CVE-2026-0983 PUBLISHED

Denial of service vulnerability in M-Files Server

Assigner: M-Files Corporation
Reserved: 15.01.2026 Published: 18.05.2026 Updated: 18.05.2026

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

Metrics

CVSS 4.0

CVSS Vector: 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
CVSS Score: 7.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	M-Files Corporation
Product	M-Files Server
Versions	Default: unaffected affected from 0 to 26.5.16015.0 (excl.) affected from LTS 25.8.15085.13 to LTS 25.8.15085.24 (excl.) affected from LTS 26.2.15718.8 to LTS 26.2.15718.10 (excl.)

References

https://empower.m-files.com/security-advisories/CVE-2026-0983

Problem Types

CWE-1286 Improper validation of syntactic correctness of input CWE

Impacts

CAPEC-153 Input Data Manipulation