CVE-2025-27715

low

Description

Mattermost versions 9.11.x <= 9.11.8 fail to prompt for explicit approval before adding a team admin to a private channel, which team admins to joining private channels via crafted permalink links without explicit consent from them.

References

https://mattermost.com/security-updates

Details

Source: Mitre, NVD

Published: 2025-03-21

Updated: 2025-03-27

Risk Information

CVSS v2

Base Score: 3.3

Vector: CVSS2#AV:N/AC:L/Au:M/C:N/I:P/A:N

Severity: Low

CVSS v3

Base Score: 2.7

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N