{"id":"CVE-2024-29221","aliases":["BIT-mattermost-2024-29221","EUVD-2024-1318","GHSA-w67v-ph4x-f48q","GO-2024-2706"],"status":"published","title":"Invite ID available to team admins even without the \"Add Members\" permission","description":"Improper Access Control in Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 lacked proper access control in the `/api/v4/users/me/teams` endpoint allowing a team admin to get the invite ID of their team, thus allowing them to invite users, even if the \"Add Members\" permission was explicitly removed from team admins.","severity":{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00331,"percentile":0.26631,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-284"],"published":"2024-04-05T08:15:07Z","modified":"2026-11-07T02:46:40Z","fixes":[{"ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","fixed_in":["8.1.11","9.5.2","9.4.4","9.3.3"],"sources":["ghsa","osv"]},{"ecosystem":"Bitnami","package":"mattermost","fixed_in":["8.1.11","9.3.3","9.4.4","9.5.2"],"sources":["osv"]},{"ecosystem":"Go","package":"github.com/mattermost/mattermost-server","fixed_in":["9.3.3+incompatible","9.4.4+incompatible","9.5.2+incompatible"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.1.0"},{"fixed":"8.1.11"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.5.0"},{"fixed":"9.5.2"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.4.0"},{"fixed":"9.4.4"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.3.0"},{"fixed":"9.3.3"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"mattermost","ranges":[{"type":"SEMVER","events":[{"introduced":"8.1.0"},{"fixed":"8.1.11"},{"introduced":"9.3.0"},{"fixed":"9.3.3"},{"introduced":"9.4.0"},{"fixed":"9.4.4"},{"introduced":"9.5.0"},{"fixed":"9.5.2"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"SEMVER","events":[{"introduced":"8.1.0"},{"fixed":"8.1.11"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"SEMVER","events":[{"introduced":"9.5.0"},{"fixed":"9.5.2"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"SEMVER","events":[{"introduced":"9.4.0"},{"fixed":"9.4.4"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"SEMVER","events":[{"introduced":"9.3.0"},{"fixed":"9.3.3"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost-server","ranges":[{"type":"SEMVER","events":[{"introduced":"9.3.0+incompatible"},{"fixed":"9.3.3+incompatible"},{"introduced":"9.4.0+incompatible"},{"fixed":"9.4.4+incompatible"},{"introduced":"9.5.0+incompatible"},{"fixed":"9.5.2+incompatible"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost-server/v5","ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost-server/v6","ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}]}],"products":[{"vendor":"mattermost","product":"mattermost"},{"vendor":"mattermost","product":"mattermost_server"}],"references":[{"url":"https://mattermost.com/security-updates","tags":["x_transferred","Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-29221","tags":["web","advisory"]},{"url":"https://github.com/mattermost/mattermost/commit/0dc03fbc6e3c9afb14137e72ab3fa6f5a0125b9c","tags":["web"]},{"url":"https://github.com/mattermost/mattermost/commit/5cce9fed7363386afebd81a58fb5fab7d2729c8f","tags":["web"]},{"url":"https://github.com/mattermost/mattermost/commit/a5784f34ba6592c6454b8742f24af9d06279e347","tags":["web"]},{"url":"https://github.com/mattermost/mattermost/commit/dd3fe2991a70a41790d6bef5d31afc5957525f3c","tags":["web"]},{"url":"https://pkg.go.dev/vuln/GO-2024-2706","tags":["web"]},{"url":"https://github.com/advisories/GHSA-w67v-ph4x-f48q","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/29xxx/CVE-2024-29221.json","tags":["advisory"]},{"url":"https://github.com/mattermost/mattermost","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-29221","title":"Invite ID available to team admins even without the \"Add Members\" permission","description":"Improper Access Control in Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 lacked proper access control in the `/api/v4/users/me/teams` endpoint allowing a team admin to get the invite ID of their team, thus allowing them to invite users, even if the \"Add Members\" permission was explicitly removed from team admins. \n\n","status":"published","published":"2024-04-05T08:15:07.13Z","modified":"2024-08-02T01:10:54.523Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:34:15.337999Z"}],"euvd":[{"id":"EUVD-2024-1318","description":"Improper Access Control in Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 lacked proper access control in the `/api/v4/users/me/teams` endpoint allowing a team admin to get the invite ID of their team, thus allowing them to invite users, even if the \"Add Members\" permission was explicitly removed from team admins. \n\n","status":"published","published":"2024-04-05T08:15:07Z","modified":"2024-08-02T01:10:54Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-03T03:50:26.166982Z"}],"ghsa":[{"id":"GHSA-w67v-ph4x-f48q","title":"Mattermost Server Improper Access Control ","description":"Improper Access Control in Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 lacked proper access control in the `/api/v4/users/me/teams` endpoint allowing a team admin to get the invite ID of their team, thus allowing them to invite users, even if the \"Add Members\" permission was explicitly removed from team admins. \n\n","status":"published","published":"2024-04-05T09:30:39Z","modified":"2024-12-13T20:31:27Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium"},{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:38:25.334027Z"}],"nvd":[{"id":"CVE-2024-29221","description":"Improper Access Control in Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 lacked proper access control in the `/api/v4/users/me/teams` endpoint allowing a team admin to get the invite ID of their team, thus allowing them to invite users, even if the \"Add Members\" permission was explicitly removed from team admins. \n\n","status":"published","published":"2024-04-05T09:15:09.68Z","modified":"2026-06-17T07:22:39.53Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:09:48.152273Z"}],"osv":[{"id":"CVE-2024-29221","title":"Invite ID available to team admins even without the \"Add Members\" permission","description":"Improper Access Control in Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 lacked proper access control in the `/api/v4/users/me/teams` endpoint allowing a team admin to get the invite ID of their team, thus allowing them to invite users, even if the \"Add Members\" permission was explicitly removed from team admins. \n\n","status":"published","published":"2024-04-05T08:15:07.13Z","modified":"2026-11-07T02:46:40.28565825Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-284"],"updated_at":"2026-11-07T03:07:53.010811Z"},{"id":"GHSA-w67v-ph4x-f48q","title":"Mattermost Server Improper Access Control ","description":"Improper Access Control in Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 lacked proper access control in the `/api/v4/users/me/teams` endpoint allowing a team admin to get the invite ID of their team, thus allowing them to invite users, even if the \"Add Members\" permission was explicitly removed from team admins. \n\n","status":"published","published":"2024-04-05T09:30:39Z","modified":"2024-12-16T13:41:52.517664Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium"},{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:46:58.04805Z"},{"id":"BIT-mattermost-2024-29221","description":"Improper Access Control in Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 lacked proper access control in the `/api/v4/users/me/teams` endpoint allowing a team admin to get the invite ID of their team, thus allowing them to invite users, even if the \"Add Members\" permission was explicitly removed from team admins.","status":"published","published":"2024-12-16T07:14:46.788Z","modified":"2025-04-03T14:40:37.652Z","updated_at":"2026-11-02T15:28:33.072289Z"},{"id":"GO-2024-2706","title":"Mattermost Server Improper Access Control in github.com/mattermost/mattermost-server","description":"Mattermost Server Improper Access Control in github.com/mattermost/mattermost-server.\n\nNOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.\n\n(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)\n\nThe additional affected modules and versions are: github.com/mattermost/mattermost/server/v8 from v8.1.0 before v8.1.11.","status":"published","published":"2024-06-05T15:10:52Z","modified":"2026-03-03T04:51:47.679497Z","updated_at":"2026-11-02T15:47:01.453823Z"}]}}