GitHub Advisoryadvisory · Go

GHSA-p6gj-jc38-x2m7 Mattermost fails to validate user permissions when deleting comments in Boards

MEDIUM Published 2025-12-01 Modified 2025-12-02 Official page ↗
Aliases
CVE-2025-12756
Ecosystem
Go
Packages
github.com/mattermost/mattermost/server/v8, github.com/mattermost/mattermost
Severity
Moderate
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weaknesses
CWE-863
Reviewed
2025-12-02

Affected packages

• Go github.com/mattermost/mattermost/server/v8: <= 8.0.0-20251013062617-7977e7e6dae3 (no fix yet) • Go github.com/mattermost/mattermost: >= 10.11.0, <= 10.11.4 (no fix yet) • Go github.com/mattermost/mattermost: >= 10.12.0, <= 10.12.1 (no fix yet) • Go github.com/mattermost/mattermost: >= 10.5.0, <= 10.5.12 (no fix yet) • Go github.com/mattermost/mattermost: >= 11.0.0, <= 11.0.2 (no fix yet)

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.

Related

Alias · CVE (1)

  • CVE-2025-12756 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… vulnerability

Weakness · CWE (1)

  • CWE-863 Incorrect Authorization weakness

References