CVE-2025-12756

Description

Mattermost fails to validate user permissions when deleting comments in Boards in github.com/mattermost/mattermost. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: .

Affected packages (7)

• Go/github.com/mattermost/mattermostfrom 0
• Go/github.com/mattermost/mattermost>= 10.11.0, <= 10.11.4
• Go/github.com/mattermost/mattermost-serverfrom 0
• Go/github.com/mattermost/mattermost-server/v5from 0
• Go/github.com/mattermost/mattermost-server/v6from 0
• Go/github.com/mattermost/mattermost/server/v8from 0
• Go/github.com/mattermost/mattermost/server/v8from 0, <= 8.0.0-20251013062617-7977e7e6dae3

CVSS scores

References (4)

• ADVISORYhttps://github.com/advisories/GHSA-p6gj-jc38-x2m7
• ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2025-12756
• PATCHhttps://github.com/mattermost/mattermost
• WEBhttps://mattermost.com/security-updates