{"schema_version":"1.9.0","id":"GHSA-42m6-5vm7-fjv2","published":"2025-08-11T21:31:40Z","modified":"2025-08-18T13:57:15.568728Z","aliases":["CVE-2025-53857","GO-2025-3864"],"summary":"Mattermost Confluence Plugin has Missing Authorization vulnerability","details":"Mattermost Confluence Plugin versions < 1.5.0 fail to check user access to the channel, allowing attackers to get channel subscription details without proper access to the channel via API call to the GET autocomplete/GetChannelSubscriptions endpoint.","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-42m6-5vm7-fjv2/GHSA-42m6-5vm7-fjv2.json"}}],"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-53857"},{"type":"PACKAGE","url":"https://github.com/mattermost/mattermost-plugin-confluence"},{"type":"WEB","url":"https://mattermost.com/security-updates"}],"database_specific":{"cwe_ids":["CWE-862"],"github_reviewed":true,"github_reviewed_at":"2025-08-11T23:24:45Z","nvd_published_at":"2025-08-11T19:15:29Z","severity":"LOW"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"}]}