Description

Mattermost Plugin MSTeams versions <2.1.0 and Mattermost Server versions 10.5.x <=10.5.1 with the MS Teams plugin enabled fail to perform constant time comparison on a MSTeams plugin webhook secret which allows an attacker to retrieve the webhook secret of the MSTeams plugin via a timing attack during webhook secret comparison.

INFO

Published Date :

2025-04-16T09:14:55.095Z

Last Modified :

2025-04-16T14:32:45.176Z

Source :

Mattermost
AFFECTED PRODUCTS

The following products are affected by CVE-2025-27936 vulnerability.

Vendors Products
Mattermost
  • Mattermost Server
  • Ms Teams
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-27936.

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