GHSA-j639-m367-75cf
Mattermost Incorrect Authorization vulnerability
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Go | github.com/mattermost/mattermost/server/v8 | >= 10.5.0, < 10.5.2 | 10.5.2 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 10.4.0, < 10.4.4 | 10.4.4 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.11.0, < 9.11.10 | 9.11.10 |
| Go | github.com/mattermost/mattermost/server/v8 | < 8.0.0-20250314142426-c049748b8863 | 8.0.0-20250314142426-c049748b8863 |
Details
As written in the advisory (Markdown source, shown as plain text).
Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to prevent Wrangler posts from triggering AI responses. This vulnerability allows users without access to the AI bot to activate it by attaching the activate_ai override property to a post via the Wrangler plugin, provided both the AI and Wrangler plugins are enabled.
References
External links from the advisory. They lead to third-party sites.