Description
Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, 11.4.x <= 11.4.3 fail to sanitize sensitive configuration fields in the Mattermost Calls plugin which allows an attacker with access to a support packet to obtain TURN server credentials via the plaintext values present in the exported plugin configuration.. Mattermost Advisory ID: MMSA-2026-00605
CVSS 7.6EPSS 0.266%Risk 0.78
View source- Published
- 2026-05-18 09:16:24
- Affected versions
- <= 11.5.1, <= 10.11.13, <= 11.4.3
- Type
- Core software
- Vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L