CVE-2026-0663 — MEDIUM (4.9)

Q: How severe is CVE-2026-0663?

CVE-2026-0663 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-0663?

Check the references section above for vendor advisories and patch information. Affected products include: M-Files M-Files Server.

Vulnerability Description

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.

CVSS Score

4.9

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
M-Files	M-Files Server	< 26.1.15632.3

Related Weaknesses (CWE)

CWE-1286

References

https://empower.m-files.com/security-advisories/CVE-2026-0663
https://product.m-files.com/security-advisories/cve-2026-0663/Broken LinkVendor Advisory

FAQ

What is CVE-2026-0663?

CVE-2026-0663 is a vulnerability with a CVSS score of 4.9 (MEDIUM). 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 vul...

How severe is CVE-2026-0663?

CVE-2026-0663 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-0663?

Check the references section above for vendor advisories and patch information. Affected products include: M-Files M-Files Server.