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.

INFO

Published Date :

2025-03-21T08:22:25.321Z

Last Modified :

2025-03-21T13:35:01.832Z

Source :

Mattermost
AFFECTED PRODUCTS

The following products are affected by CVE-2025-27715 vulnerability.

Vendors Products
Mattermost
  • Mattermost Server
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-27715.

URL Resource
https://mattermost.com/security-updates cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact