CVE-2025-27715CWE-863

Auto-Enrollment of Team Admins into Private Channels without explicit consent

Low · published March 21, 2025

CVSS v3.1
3.3
EPSS
0%
Percentile
11.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
3.3 · LOW
Vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00217 · 11.6th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2025-03-21T08:22Z
EPSS history
Timeline
  • 21 MAR 08:22Z
    Auto-Enrollment of Team Admins into Private Channels without explicit consent
    cvelistv5