Mattermost Google Drive vulnerabilities

1 vulnerability

Known vulnerabilities in Mattermost Google Drive, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

4.3CVE-2026-2299mattermostgoogle_drive+1
EPSS score
0.20%
The Mattermost Google Drive plugin before version 1.1.0 fails to validate channel membership in the file creation endpoint, allowing authenticated users with a connected Google account to share Google Drive files to unauthorized private channels and disclose private channel membership.