Missing Authorization Affecting github.com/mattermost/mattermost/server/v8/channels/web package, versions <8.0.0-20250815100400-2d5cdc6e217e


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.03% (7th percentile)

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  • Snyk IDSNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTSERVERV8CHANNELSWEB-13601293
  • published17 Oct 2025
  • disclosed16 Oct 2025
  • creditDoyenSec

Introduced: 16 Oct 2025

NewCVE-2025-58075  (opens in a new tab)
CWE-862  (opens in a new tab)

How to fix?

Upgrade github.com/mattermost/mattermost/server/v8/channels/web to version 8.0.0-20250815100400-2d5cdc6e217e or higher.

Overview

github.com/mattermost/mattermost/server/v8/channels/web is a platform for secure collaboration across the entire software development lifecycle

Affected versions of this package are vulnerable to Missing Authorization in the RelayState parameter. An attacker can gain unauthorized access to any team by manipulating the RelayState parameter during the team join process.

CVSS Base Scores

version 4.0
version 3.1