CVE-2026-18371

Medium

Description

HTML injection vulnerability in M-Files Web before 26.8.16330.2 allows an authenticated attacker to affect web user interface contents displayed to other users.

SeverityMedium

CVSS5.1

Exploit probability—

ProductM-Files Web

PublishedAug 19, 2026

First seenAug 19, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

M-Files Corporation M-Files Web26.8.16330.2 or later

Vendor advisories

empower.m-files.com/security-advisories/CVE-2026-18371

Affected products

Product	Affected versions	Fixed in
M-Files Corporation M-Files Web	v < 26.8.16330.2	26.8.16330.2

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