CVE-2025-49221 LOW

CVE-2025-49221: Unauthenticated Access to Channel Subscription in Mattermost Confluence Plugin

Vendor Mattermost
Product Mattermost Confluence Plugin
Weakness CWE-862 · Missing authorization
Published August 11, 2025
Last update August 11, 2025
View on NVD All CVEs

CVSS base score

3.7/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

Mattermost Confluence Plugin version <1.5.0 fails to enforce authentication of the user to the Mattermost instance which allows unauthenticated attackers to access subscription details without via API call to GET subscription endpoint.

Key dates

02Disclosure timeline

August 11, 2025 CVE published
August 11, 2025 Record updated