{"id":"GHSA-r833-w756-h5p2","summary":"Mattermost fails to check the required permissions","details":"Mattermost fails to check the required permissions in the POST /api/v4/channels/stats/member_count API resulting in channel member counts being leaked to a user without permissions.\n\n","aliases":["BIT-mattermost-2024-24776","CVE-2024-24776","GO-2024-2566"],"modified":"2026-02-04T04:36:05.320090Z","published":"2024-02-09T15:31:27Z","related":["CGA-7523-rwh9-m84v"],"database_specific":{"nvd_published_at":"2024-02-09T15:15:08Z","github_reviewed":true,"cwe_ids":["CWE-284"],"github_reviewed_at":"2024-02-09T18:21:27Z","severity":"LOW"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-24776"},{"type":"PACKAGE","url":"https://github.com/mattermost/mattermost"},{"type":"WEB","url":"https://mattermost.com/security-updates"}],"affected":[{"package":{"name":"github.com/mattermost/mattermost/server/v8","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"8.1.8"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/02/GHSA-r833-w756-h5p2/GHSA-r833-w756-h5p2.json"}},{"package":{"name":"github.com/mattermost/mattermost/server/v8","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8"},"ranges":[{"type":"SEMVER","events":[{"introduced":"9.0.0"},{"fixed":"9.3.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/02/GHSA-r833-w756-h5p2/GHSA-r833-w756-h5p2.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}]}