CVE-2024-29215

Slash commands run in channel without channel membership via playbook task commands

Published May 26, 2024 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

Update Mattermost to versions 9.8.0, 9.5.4, 9.7.2, 9.6.2, 8.1.13 or higher.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-34441 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.
References
History
Type Values Removed Values Added
First Time appeared Mattermost
Mattermost mattermost Server
CPEs cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Vendors & Products Mattermost
Mattermost mattermost Server
Weaknesses

Sources

Status
PUBLISHED
Assigner
Mattermost
Published
Updated
Aug 2, 2024, 1:10 AM
Reserved
May 23, 2024, 10:57 AM
Status
Analyzed
Published
May 26, 2024, 2:15 PM
Modified
Jun 17, 2026, 7:22 AM