cbcvebase.
CVE-2026-0663
published 2026-01-21

CVE-2026-0663: Denial-of-service vulnerability in M-Files Server versions before 26.1.15632.3 allows an authenticated attacker with vault administrator privileges to crash…

PriorityP424medium4.9CVSS 3.1
AVNACLPRHUINSUCNINAH
EPSS
0.37%
29.2th percentile
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.

Affected

2 ranges
VendorProductVersion rangeFixed in
m-filesm-files_server< 26.1.15632.326.1.15632.3
m-files_corporationm-files_server< 26.1.15632.326.1.15632.3

CVSS provenance

nvdv3.14.9MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
nvdv4.06.9MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.