Incorrect Authorization Affecting github.com/mattermost/mattermost/server/channels/api4 package, versions >=9.11.0 <9.11.14>=10.5.0 <10.5.5-rc1


Severity

Recommended
0.0
low
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.02% (5th percentile)

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  • Snyk IDSNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTSERVERCHANNELSAPI4-10343791
  • published12 Jun 2025
  • disclosed11 Jun 2025
  • credithackit_bharat

Introduced: 11 Jun 2025

NewCVE-2025-4128  (opens in a new tab)
CWE-863  (opens in a new tab)

How to fix?

Upgrade github.com/mattermost/mattermost/server/channels/api4 to version 9.11.14, 10.5.5-rc1 or higher.

Overview

Affected versions of this package are vulnerable to Incorrect Authorization over the /api/v4/teams/{team_id} endpoint. A user can view information about public teams they are not a member of.

CVSS Base Scores

version 4.0
version 3.1