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.

INFO

Published Date :

2025-12-01T19:51:46.289Z

Last Modified :

2025-12-01T20:02:24.869Z

Source :

Mattermost
AFFECTED PRODUCTS

The following products are affected by CVE-2025-12756 vulnerability.

Vendors Products
Mattermost
  • Mattermost
  • Mattermost Boards
  • Mattermost Server
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-12756.

URL Resource
https://mattermost.com/security-updates cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact