MEDIUM 4.3 Go
Mattermost fails to validate user permissions when deleting comments in Boards
GHSA-p6gj-jc38-x2m7 · CVE-2025-12756 · GO-2025-4172
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Description
Mattermost versions 11.0.x <= 11.0.2, 10.12.x <= 10.12.1, 10.11.x <= 10.11.4, 10.5.x <= 10.5.12 fail to validate user permissions when deleting comments in Boards, which allows an authenticated user with the editor role to delete comments created by other users.
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