github.com/mattermost/mattermost-plugin-github

4 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

1 result · Clear filters · Feed

Low 3.0

CVE-2025-13352

Mattermost GitHub Plugin allows unauthorized GitHub reactions via reaction forwarding hijacking

Mattermost versions 10.11.x <= 10.11.6 and Mattermost GitHub plugin versions <=2.4.0 fail to validate plugin bot identity in reaction forwarding which allows attackers to hijack the GitHub reaction feature to make users add reactions to arbitrary GitHub objec…

Mattermost Mattermost github.com/mattermost/mattermost-server github.com/mattermost/mattermost-server/v6 Go

Dec 17, 2025