Low (3.7) in mattermost confluence. EPSS 0.2% chance of exploitation in the next 30 days. Fixed in github.com/mattermost/mattermost-plugin-confluence 1.5.0.
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.
Severity
CVSS 3.1
3.7 low
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
0.2% chance of exploitation in the next 30 days; higher than 16% of CVEs (scores of 2026-10-31)