CVE-2026-0931Network attack vector

Admin-triggered unrecoverable server process crash

Published Aug 5, 2026 · Updated Aug 5, 2026

Denial of service in M-Files Server before 26.5.16015.3 allows remote authenticated users with admin rights to crash the server process. M-Files has not published the malformed input, affected component, or operation that leaves the process unable to restart. Administrative access to a network-reachable server is required, and successful exploitation interrupts the service until external recovery.

CVSS severity6.9
Medium
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in M-Files Server before 26.5.16015.3 allows remote authenticated users with admin rights to crash the server process. M-Files has not published the malformed input, affected component, or operation that leaves the process unable to restart. Administrative access to a network-reachable server is required, and successful exploitation interrupts the service until external recovery.

The record

CVE
CVE-2026-0931
Published
Aug 5, 2026
Updated
Aug 5, 2026
Vendor
M-Files
Product
M-Files Server
Classifications
CWE-1286, CAPEC-153, T1499
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Aug 5, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <26.5.16015.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

M-Files · M-Files Serverversion=0 <26.5.16015.3

Published CVSS scores

6.9M-Files CorporationCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-1286Improper Validation of Syntactic Correctness of Input
CAPEC-153Input Data Manipulation
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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