Mattermost versions 9.5.x <= 9.5.3, 9.7.x <= 9.7.1, 9.6.x <= 9.6.1, 8.1.x <= 8.1.12 fail to enforce proper access control which allows a user to run a slash command in a channel they are not a member of via linking a playbook run to that channel and running a slash command as a playbook task command.
2024-05-26T14:15:08.627
2025-07-08T18:02:30.957
Analyzed
CVSSv3.1: 4.3 (MEDIUM)
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | mattermost | mattermost_server | < 8.1.13 | Yes |
Application | mattermost | mattermost_server | < 9.5.4 | Yes |
Application | mattermost | mattermost_server | < 9.6.2 | Yes |
Application | mattermost | mattermost_server | < 9.7.2 | Yes |