Incorrect Authorization Affecting github.com/mattermost/mattermost/server/channels/api4 package, versions >=9.11.0 <9.11.9-rc1
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about Incorrect Authorization vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTSERVERCHANNELSAPI4-9515253
- published26 Mar 2025
- disclosed21 Mar 2025
- creditJoram Wilander
Introduced: 21 Mar 2025
NewCVE-2025-27715 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade github.com/mattermost/mattermost/server/channels/api4 to version 9.11.9-rc1 or higher.
Overview
Affected versions of this package are vulnerable to Incorrect Authorization when an admin user adds itself to a private channel by clicking a permalink.