CVE-2024-32939: Mattermost

Low severity, CVSS 3.7. EPSS: 0.2% chance of exploitation in the next 30 days.

Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0, 9.8.x <= 9.8.2, when shared channels are enabled, fail to redact remote users' original email addresses stored in user props when email addresses are otherwise configured not to be visible in the local server."

Affected products

• Mattermost Mattermost: from 9.5.0, before 9.5.8 (fixed in 9.5.8); from 9.8.0, before 9.8.3 (fixed in 9.8.3); from 9.9.0, before 9.9.2 (fixed in 9.9.2); from 9.10.0, before 9.10.1 (fixed in 9.10.1)

Published 2024-08-22. Last modified 2026-06-17.