VULNERABILITY INTELLIGENCE
CVE-2025-54478
CVSS score7.2 HIGH
EPSS probability0.26%
CISA KEVNot currently listed
Published2025-08-11
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Description
Mattermost Confluence Plugin version <1.5.0 fails to enforce authentication of the user to the Mattermost instance which allows unauthenticated attackers to edit channel subscriptions via API call to the edit channel subscription endpoint.
Weakness classification
- CWE-306: Missing Authentication for Critical Function
Primary references
- responsibledisclosure@mattermost.com — Vendor Advisory