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.
References
| Link | Resource |
|---|---|
| https://mattermost.com/security-updates | Vendor Advisory |
Configurations
Configuration 1 (hide)
|
History
05 Dec 2025, 15:26
| Type | Values Removed | Values Added |
|---|---|---|
| First Time |
Mattermost
Mattermost mattermost Server |
|
| References | () https://mattermost.com/security-updates - Vendor Advisory | |
| CPE | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* |
01 Dec 2025, 20:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2025-12-01 20:15
Updated : 2025-12-05 15:26
NVD link : CVE-2025-12756
Mitre link : CVE-2025-12756
CVE.ORG link : CVE-2025-12756
JSON object : View
Products Affected
mattermost
- mattermost_server
CWE
CWE-863
Incorrect Authorization