Incorrect Authorization Affecting github.com/mattermost/mattermost/server/platform/services/remotecluster package, versions <10.11.6>=10.12.0-rc1 <10.12.3>=11.0.0-alpha.1 <11.2.0-rc1


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.19% (10th percentile)

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  • Snyk IDSNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTSERVERPLATFORMSERVICESREMOTECLUSTER-14468764
  • published18 Dec 2025
  • disclosed17 Dec 2025
  • creditUnknown

Introduced: 17 Dec 2025

CVE-2025-13324  (opens in a new tab)
CWE-863  (opens in a new tab)

How to fix?

Upgrade github.com/mattermost/mattermost/server/platform/services/remotecluster to version 10.11.6, 10.12.3, 11.2.0-rc1 or higher.

Overview

Affected versions of this package are vulnerable to Incorrect Authorization involving invite tokens. An attacker can manipulate channel memberships, including adding or removing users from private channels, by replaying intercepted tokens.

CVSS Base Scores

version 4.0
version 3.1