CVE-2023-47865
MEDIUM4.3EPSS 0.11%Mattermost Improper Access Control vulnerability
Published: 11/27/2023Modified: 2/4/2026
Description
Mattermost fails to check if hardened mode is enabled when overriding the username and/or the icon when posting a post. If settings allowed integrations to override the username and profile picture when posting, a member could also override the username and icon when making a post even if the Hardened Mode setting was enabled
Affected packages (2)
- Go/github.com/mattermost/mattermost-server/v6from 0, < 7.8.13
- Go/github.com/mattermost/mattermost/server/v8from 0, < 8.1.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |