Information Exposure Affecting github.com/mattermost/mattermost-server/v6/api4 package, versions >=5.12.0 <7.7.0


Severity

Recommended
0.0
low
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.25% (48th percentile)

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  • Snyk IDSNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTSERVERV6API4-3332940
  • published28 Feb 2023
  • disclosed28 Feb 2023
  • creditfoobar7

Introduced: 28 Feb 2023

CVE-2023-27266  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade github.com/mattermost/mattermost-server/v6/api4 to version 7.7.0 or higher.

Overview

github.com/mattermost/mattermost-server/v6/api4 is an open source, private cloud, Slack-alternative from https://mattermost.org.

Affected versions of this package are vulnerable to Information Exposure in responses to the /api/v4/users/me/teams endpoint, which ignore the ShowEmailAddress setting, allowing an attacker with team admin privileges to reveal the team owner's email address.

CVSS Base Scores

version 3.1