CVE-2024-36250: Mattermost Server

Medium severity, CVSS 4.8. EPSS: 0.2% chance of exploitation in the next 30 days.

Mattermost versions 9.11.x <= 9.11.2, and 9.5.x <= 9.5.10 fail to protect the mfa code against replay attacks, which allows an attacker to reuse the MFA code within ~30 seconds

Affected products

• Mattermost Mattermost Server: from 9.5.0, before 9.5.11 (fixed in 9.5.11); from 9.11.0, before 9.11.3 (fixed in 9.11.3)

Published 2024-11-09. Last modified 2026-06-17.