PT-2025-32582 · Mattermost · Mattermost Confluence Plugin

Lorenzo Gallegos

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Published

2025-07-10

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Updated

2025-08-20

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CVE-2025-54478

CVSS v3.1

7.2

High

VectorAV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Name of the Vulnerable Software and Affected Versions: Mattermost Confluence Plugin versions prior to 1.5.0
Description: The Mattermost Confluence Plugin does not enforce authentication for users accessing the Mattermost instance. This allows unauthenticated attackers to modify channel subscriptions by making API calls to the edit channel subscription endpoint.
Recommendations: Update Mattermost Confluence Plugin to version 1.5.0 or later.

Fix

Missing Authentication

Weakness Enumeration

Related Identifiers

BDU:2025-09763
CVE-2025-54478
GHSA-QPJQ-C5HR-7925
GO-2025-3875
OPENSUSE-SU-2025:15469-1

Affected Products

Mattermost Confluence Plugin