Information Exposure Affecting github.com/mattermost/mattermost-server/v6 package, versions <6.3.9 >=6.4.0 <6.5.2 >=6.6.0 <6.6.2 >=6.7.0 <6.7.1


0.0
medium

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.05% (21st percentile)
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NVD
4.3 medium

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  • Snyk ID SNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTSERVERV6-2950829
  • published 15 Jul 2022
  • disclosed 15 Jul 2022
  • credit Rohit KC

How to fix?

Upgrade github.com/mattermost/mattermost-server/v6 to version 6.3.9, 6.5.2, 6.6.2, 6.7.1 or higher.

Overview

github.com/mattermost/mattermost-server/v6 is an open source, private cloud, Slack-alternative.

Affected versions of this package are vulnerable to Information Exposure which fails to properly restrict the permissions. It allows a guest user to fetch a list of all public channels in the team, in spite of not being part of those channels.