CVE-2024-32045

Playbook run link to private channel grants channel access

Published May 26, 2024 CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
Description
Mattermost versions 9.5.x <= 9.5.3, 9.6.x <= 9.6.1, 8.1.x <= 8.1.12 fail to enforce proper access controls for channel and team membership when linking a playbook run to a channel which allows members to link their runs to private channels they were not members of.

Remediation

Vendor Solution

Update Mattermost to versions 9.7.0, 9.5.4, 9.6.2, 8.1.13 or higher.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-34458 Mattermost versions 9.5.x <= 9.5.3, 9.6.x <= 9.6.1, 8.1.x <= 8.1.12 fail to enforce proper access controls for channel and team membership when linking a playbook run to a channel which allows members to link their runs to private channels they were not members of.
References
History
Type Values Removed Values Added
First Time appeared Mattermost mattermost Server
Weaknesses CWE-639
CPEs cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Vendors & Products Mattermost mattermost Server
Weaknesses

Sources

Status
PUBLISHED
Assigner
Mattermost
Published
Updated
Aug 2, 2024, 2:06 AM
Reserved
May 23, 2024, 10:57 AM
Status
Analyzed
Published
May 26, 2024, 2:15 PM
Modified
Jun 17, 2026, 7:29 AM