{"id":"GHSA-6ff3-jgxh-vffj","summary":"Mattermost Confluence Plugin is Missing Authentication for Critical Function","details":"Mattermost Confluence Plugin version \u003c1.5.0 fails to check the authorization of the user to the Mattermost instance which allows attackers to create a channel subscription without proper authorization via API call to the create channel subscription endpoint.","aliases":["CVE-2025-44004","GO-2025-3865"],"modified":"2025-08-18T13:59:17.130289Z","published":"2025-08-11T21:31:39Z","database_specific":{"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2025-08-11T23:09:14Z","nvd_published_at":"2025-08-11T19:15:27Z","cwe_ids":["CWE-306"]},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-44004"},{"type":"PACKAGE","url":"https://github.com/mattermost/mattermost-plugin-confluence"},{"type":"WEB","url":"https://mattermost.com/security-updates"}],"affected":[{"package":{"name":"github.com/mattermost/mattermost-plugin-confluence","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost-plugin-confluence"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.5.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/08/GHSA-6ff3-jgxh-vffj/GHSA-6ff3-jgxh-vffj.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N"}]}