{"id":"CVE-2024-11599","aliases":["EUVD-2024-34064","GHSA-9g34-2mp9-r344"],"status":"published","title":"Domain Restriction Bypass on Registration","description":"Mattermost versions 10.0.x \u003c= 10.0.1, 10.1.x \u003c= 10.1.1, 9.11.x \u003c= 9.11.3, 9.5.x \u003c= 9.5.11 fail to properly validate email addresses which allows an unauthenticated user to bypass email domain restrictions via carefully crafted input on email registration.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00468,"percentile":0.40809,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-754"],"published":"2024-11-28T09:42:48Z","modified":"2026-10-28T02:30:54Z","products":[{"vendor":"mattermost","product":"mattermost"},{"vendor":"mattermost","product":"mattermost_server"}],"references":[{"url":"https://mattermost.com/security-updates","tags":["Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-11599","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-9g34-2mp9-r344"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/11xxx/CVE-2024-11599.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-11599","title":"Domain Restriction Bypass on Registration","description":"Mattermost versions 10.0.x \u003c= 10.0.1, 10.1.x \u003c= 10.1.1, 9.11.x \u003c= 9.11.3, 9.5.x \u003c= 9.5.11 fail to properly validate email addresses which allows an unauthenticated user to bypass email domain restrictions via carefully crafted input on email registration.","status":"published","published":"2024-11-28T09:42:48.141Z","modified":"2024-11-29T19:55:00.509Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T14:34:19.28149Z"}],"euvd":[{"id":"EUVD-2024-34064","description":"Mattermost versions 10.0.x \u003c= 10.0.1, 10.1.x \u003c= 10.1.1, 9.11.x \u003c= 9.11.3, 9.5.x \u003c= 9.5.11 fail to properly validate email addresses which allows an unauthenticated user to bypass email domain restrictions via carefully crafted input on email registration.","status":"published","published":"2024-11-28T09:42:48Z","modified":"2024-11-29T19:55:00Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high"}],"updated_at":"2026-11-03T00:04:44.03074Z"}],"ghsa":[{"id":"GHSA-9g34-2mp9-r344","title":"Mattermost versions 10.0.x \u003c= 10.0.1, 10.1.x \u003c= 10.1.1, 9.11.x \u003c= 9.11.3, 9.5.x \u003c= 9.5.11 fail to...","description":"Mattermost versions 10.0.x \u003c= 10.0.1, 10.1.x \u003c= 10.1.1, 9.11.x \u003c= 9.11.3, 9.5.x \u003c= 9.5.11 fail to properly validate email addresses which allows an unauthenticated user to bypass email domain restrictions via carefully crafted input on email registration.","status":"published","published":"2024-11-28T18:38:36Z","modified":"2024-11-28T18:38:44Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T14:58:59.859228Z"}],"nvd":[{"id":"CVE-2024-11599","description":"Mattermost versions 10.0.x \u003c= 10.0.1, 10.1.x \u003c= 10.1.1, 9.11.x \u003c= 9.11.3, 9.5.x \u003c= 9.5.11 fail to properly validate email addresses which allows an unauthenticated user to bypass email domain restrictions via carefully crafted input on email registration.","status":"published","published":"2024-11-28T10:15:06.657Z","modified":"2026-06-17T06:58:02.507Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T14:10:38.347238Z"}],"osv":[{"id":"CVE-2024-11599","title":"Domain Restriction Bypass on Registration","description":"Mattermost versions 10.0.x \u003c= 10.0.1, 10.1.x \u003c= 10.1.1, 9.11.x \u003c= 9.11.3, 9.5.x \u003c= 9.5.11 fail to properly validate email addresses which allows an unauthenticated user to bypass email domain restrictions via carefully crafted input on email registration.","status":"published","published":"2024-11-28T09:42:48.141Z","modified":"2026-10-28T02:30:54.342267632Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T15:44:37.917085Z"}]}}