Mattermost Confluence Plugin versions < 1.5.0 fail to enforce authentication of the user to the Mattermost instance, which allows unauthenticated attackers to access subscription details via an API call to the GET subscription endpoint.
{
"nvd_published_at": "2025-08-11T19:15:28Z",
"cwe_ids": [
"CWE-862"
],
"github_reviewed_at": "2025-08-11T22:49:20Z",
"severity": "LOW",
"github_reviewed": true
}