{"id":"GHSA-v6c8-g53h-mc2h","summary":"Mattermost Confluence Plugin has Missing Authorization vulnerability","details":"Mattermost Confluence Plugin versions \u003c 1.5.0 fail to check user access to the channel, allowing attackers to create a channel subscription without proper access to the channel via an API call to the edit channel subscription endpoint.","aliases":["CVE-2025-53910","GO-2025-3869"],"modified":"2025-08-18T13:59:24.101671Z","published":"2025-08-11T21:31:40Z","database_specific":{"cwe_ids":["CWE-862"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2025-08-11T23:34:05Z","nvd_published_at":"2025-08-11T19:15:29Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-53910"},{"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-v6c8-g53h-mc2h/GHSA-v6c8-g53h-mc2h.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N"}]}