{"id":"GHSA-5fh7-7mw7-mmx5","summary":"Mattermost allows team admins to promote guests to team admins","details":"Mattermost versions 9.6.0, 9.5.x before 9.5.3, and 8.1.x before 8.1.12 fail to fully validate role changes, which allows an attacker authenticated as a team admin to promote guests to team admins via crafted HTTP requests.\n\n","aliases":["CVE-2024-4195","GO-2024-2793"],"modified":"2024-06-05T16:43:09.434336Z","published":"2024-04-26T09:30:35Z","database_specific":{"cwe_ids":["CWE-284"],"severity":"LOW","github_reviewed":true,"github_reviewed_at":"2024-04-26T19:06:43Z","nvd_published_at":"2024-04-26T09:15:12Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-4195"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/1e3497e0595bb4f9908c94dd9d4685d48556b7e8"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/f0872dd4e4ba34f061aa6982a71c7c29532aac2e"},{"type":"PACKAGE","url":"https://github.com/mattermost/mattermost"},{"type":"WEB","url":"https://mattermost.com/security-updates"}],"affected":[{"package":{"name":"github.com/mattermost/mattermost-server","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost-server"},"ranges":[{"type":"SEMVER","events":[{"introduced":"9.5.0"},{"fixed":"9.5.3"}]}],"database_specific":{"last_known_affected_version_range":"\u003c= 9.5.2","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/04/GHSA-5fh7-7mw7-mmx5/GHSA-5fh7-7mw7-mmx5.json"}},{"package":{"name":"github.com/mattermost/mattermost-server","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost-server"},"ranges":[{"type":"SEMVER","events":[{"introduced":"8.1.0"},{"fixed":"8.1.12"}]}],"database_specific":{"last_known_affected_version_range":"\u003c= 8.1.11","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/04/GHSA-5fh7-7mw7-mmx5/GHSA-5fh7-7mw7-mmx5.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N"}]}