Security Advisory

CVE-2025-13324

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2025-12-17 18:14:13

Last updated 2025-12-24 10:16:53

Assigner Mattermost

CVSS score 3.7

State PUBLISHED

Description

Mattermost versions 10.11.x <= 10.11.5, 11.0.x <= 11.0.4, 10.12.x <= 10.12.2 fail to invalidate remote cluster invite tokens when using the legacy (version 1) protocol or when the confirming party does not provide a refreshed token, which allows an attacker who has obtained an invite token to authenticate as the remote cluster and perform limited actions on shared channels even after the invitation has been legitimately confirmed.

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