{"id":"CVE-2023-1647","aliases":["EUVD-2023-23876","GHSA-976q-qhh2-p88c"],"status":"published","title":"Improper Access Control in calcom/cal.com","description":"Improper Access Control in GitHub repository calcom/cal.com prior to 2.7.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00842,"percentile":0.58164,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2023-03-27T00:00:00Z","modified":"2026-10-28T02:30:50Z","products":[{"vendor":"cal","product":"cal.com"},{"vendor":"calcom","product":"calcom/cal.com"}],"references":[{"url":"https://huntr.dev/bounties/d6de3d6e-9551-47d1-b28c-7e965c1b82b6","tags":["x_transferred","Exploit","Third Party Advisory","web"]},{"url":"https://github.com/sbs20/scanservjs/pull/606/commits/d51fd52c1569813990b8f74e64ae6979c665dca1","tags":["x_transferred","Patch","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-1647","tags":["advisory"]},{"url":"https://github.com/calcom/cal.com/commit/c76e5f46101a826b2de39123c22f50c840dddba0"},{"url":"https://github.com/advisories/GHSA-976q-qhh2-p88c"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/1xxx/CVE-2023-1647.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-1647","title":"Improper Access Control in calcom/cal.com","description":"Improper Access Control in GitHub repository calcom/cal.com prior to 2.7.\n\n","status":"published","published":"2023-03-27T00:00:00Z","modified":"2025-02-19T16:32:10.521Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:35:32.019713Z"}],"euvd":[{"id":"EUVD-2023-23876","description":"Improper Access Control in GitHub repository calcom/cal.com prior to 2.7.\n\n","status":"published","published":"2023-03-27T00:00:00Z","modified":"2025-02-19T16:32:10Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:53:27.295607Z"}],"ghsa":[{"id":"GHSA-976q-qhh2-p88c","title":"Improper Access Control in GitHub repository calcom/cal.com prior to 2.7.","description":"Improper Access Control in GitHub repository calcom/cal.com prior to 2.7.","status":"published","published":"2023-03-27T03:30:16Z","modified":"2023-10-19T05:03:36Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:54:48.16134Z"}],"nvd":[{"id":"CVE-2023-1647","description":"Improper Access Control in GitHub repository calcom/cal.com prior to 2.7.\n\n","status":"published","published":"2023-03-27T01:15:07.223Z","modified":"2026-06-17T05:28:26.753Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:07:50.908252Z"}],"osv":[{"id":"CVE-2023-1647","title":"Improper Access Control in calcom/cal.com","description":"Improper Access Control in GitHub repository calcom/cal.com prior to 2.7.\n\n","status":"published","published":"2023-03-27T00:00:00Z","modified":"2026-10-28T02:30:50.770778333Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:44:30.334753Z"}]}}