{"id":"CVE-2023-6803","aliases":["EUVD-2023-59014","GHSA-g77w-7799-j8hq"],"status":"published","title":"Race Condition allows Unauthorized Outside Collaborator","description":"A race condition in GitHub Enterprise Server allows an outside collaborator to be added while a repository is being transferred. This vulnerability affected all versions of GitHub Enterprise Server since 3.8 and was fixed in version 3.8.12, 3.9.7, 3.10.4, and 3.11.1.","severity":{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00166,"percentile":0.05941,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-367"],"published":"2023-12-21T20:45:27Z","modified":"2026-06-17T06:51:27Z","products":[{"vendor":"github","product":"enterprise server"},{"vendor":"github","product":"enterprise_server"}],"references":[{"url":"https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.12","tags":["x_transferred","Release Notes"]},{"url":"https://docs.github.com/en/enterprise-server@3.9/admin/release-notes#3.9.7","tags":["x_transferred","Release Notes"]},{"url":"https://docs.github.com/en/enterprise-server@3.10/admin/release-notes#3.10.4","tags":["x_transferred","Release Notes"]},{"url":"https://docs.github.com/en/enterprise-server@3.11/admin/release-notes#3.11.1","tags":["x_transferred","Release Notes"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6803"},{"url":"https://github.com/advisories/GHSA-g77w-7799-j8hq"}],"sources":{"cve":[{"id":"CVE-2023-6803","title":"Race Condition allows Unauthorized Outside Collaborator","description":"A race condition in GitHub Enterprise Server allows an outside collaborator to be added while a repository is being transferred. This vulnerability affected all versions of GitHub Enterprise Server since 3.8 and was fixed in version 3.8.12, 3.9.7, 3.10.4, and 3.11.1. \n","status":"published","published":"2023-12-21T20:45:27.233Z","modified":"2024-08-02T08:42:07.752Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:35:25.469654Z"}],"euvd":[{"id":"EUVD-2023-59014","description":"A race condition in GitHub Enterprise Server allows an outside collaborator to be added while a repository is being transferred. This vulnerability affected all versions of GitHub Enterprise Server since 3.8 and was fixed in version 3.8.12, 3.9.7, 3.10.4, and 3.11.1. \n","status":"published","published":"2023-12-21T20:45:27Z","modified":"2024-08-02T08:42:07Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L","level":"medium"}],"updated_at":"2026-11-03T03:50:10.17189Z"}],"ghsa":[{"id":"GHSA-g77w-7799-j8hq","title":"A race condition in GitHub Enterprise Server allows an outside collaborator to be added while a...","description":"A race condition in GitHub Enterprise Server allows an outside collaborator to be added while a repository is being transferred. This vulnerability affected all versions of GitHub Enterprise Server since 3.8 and was fixed in version 3.8.12, 3.9.7, 3.10.4, and 3.11.1. \n","status":"published","published":"2023-12-21T21:30:33Z","modified":"2023-12-21T21:30:34Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L","level":"medium"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:55:15.802634Z"}],"nvd":[{"id":"CVE-2023-6803","description":"A race condition in GitHub Enterprise Server allows an outside collaborator to be added while a repository is being transferred. This vulnerability affected all versions of GitHub Enterprise Server since 3.8 and was fixed in version 3.8.12, 3.9.7, 3.10.4, and 3.11.1. \n","status":"published","published":"2023-12-21T21:15:14.8Z","modified":"2026-06-17T06:51:27.307Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:08:57.117371Z"}]}}