VULNERABILITY INTELLIGENCE

CVE-2025-53857

CVSS score3.7 LOW

EPSS probability0.23%

CISA KEVNot currently listed

Published2025-08-11

Last modified2026-06-17

Description

Mattermost Confluence Plugin version <1.5.0 fails to check the access of the user to the channel which allows attackers to get channel subscription details without proper access to the channel via API call to the GET autocomplete/GetChannelSubscriptions endpoint.