CVE-2025-49221: Mattermost Confluence

Low severity, CVSS 3.7. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Mattermost Confluence: before 1.5.0 (fixed in 1.5.0)

Published 2025-08-11. Last modified 2026-06-17.