CVE-2026-0931 Denial-of-service vulnerability in M-Files Server
An authenticated admin can crash the M-Files Server process, preventing it from restarting and causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-0931?
CVE-2026-0931 is a medium-severity denial of service vulnerability in M-Files Server, published on 5 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Denial-of-service vulnerability in M-Files Server versions before 26.5.16015.3 allows an authenticated admin user to cause the M-Files Server process to crash and fail to restart.
Weakness: CWE-1286
Which versions are affected by CVE-2026-0931?
How do I fix CVE-2026-0931?
No fix has been published for CVE-2026-0931 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-0931 being exploited?
There is no known exploitation of CVE-2026-0931 in the wild and no public exploit code.
Sources
Also known as GHSA-rf5m-j276-h6pq.