{"id":"CVE-2018-17452","aliases":["EUVD-2018-9205","GHSA-8xwc-6h6p-hh69","UBUNTU-CVE-2018-17452"],"status":"published","title":"An issue was discovered in GitLab Community and Enterprise Edition before 11.1.7, 11.2.x before...","description":"An issue was discovered in GitLab Community and Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. There is Server-Side Request Forgery (SSRF) via a loopback address to the validate_localhost function in url_blocker.rb.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00737,"percentile":0.54812,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2023-04-15T00:00:00Z","modified":"2026-10-30T10:30:59Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"gitlab","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.4.3+dfsg-9","8.4.3+dfsg-12","8.5.8+dfsg-5"]}],"products":[{"vendor":"gitlab","product":"gitlab"}],"references":[{"url":"https://about.gitlab.com/blog/categories/releases/","tags":["x_transferred","Release Notes","advisory"]},{"url":"https://about.gitlab.com/releases/2018/10/01/security-release-gitlab-11-dot-3-dot-1-released/","tags":["x_transferred","Release Notes","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-17452"},{"url":"https://about.gitlab.com/blog/categories/releases"},{"url":"https://about.gitlab.com/releases/2018/10/01/security-release-gitlab-11-dot-3-dot-1-released"},{"url":"https://github.com/advisories/GHSA-8xwc-6h6p-hh69"},{"url":"https://ubuntu.com/security/CVE-2018-17452","tags":["report"]},{"url":"https://about.gitlab.com/2018/10/01/security-release-gitlab-11-dot-3-dot-1-released/","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-17452","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-17452","description":"An issue was discovered in GitLab Community and Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. There is Server-Side Request Forgery (SSRF) via a loopback address to the validate_localhost function in url_blocker.rb.","status":"published","published":"2023-04-15T00:00:00Z","modified":"2025-02-06T20:29:19.022Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:35:07.672841Z"}],"euvd":[{"id":"EUVD-2018-9205","description":"An issue was discovered in GitLab Community and Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. There is Server-Side Request Forgery (SSRF) via a loopback address to the validate_localhost function in url_blocker.rb.","status":"published","published":"2023-04-15T00:00:00Z","modified":"2025-02-06T20:29:19Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:04:02.906364Z"}],"ghsa":[{"id":"GHSA-8xwc-6h6p-hh69","title":"An issue was discovered in GitLab Community and Enterprise Edition before 11.1.7, 11.2.x before...","description":"An issue was discovered in GitLab Community and Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. There is Server-Side Request Forgery (SSRF) via a loopback address to the validate_localhost function in url_blocker.rb.","status":"published","published":"2023-04-16T00:30:25Z","modified":"2024-04-04T03:30:14Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:56:15.423381Z"}],"nvd":[{"id":"CVE-2018-17452","description":"An issue was discovered in GitLab Community and Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. There is Server-Side Request Forgery (SSRF) via a loopback address to the validate_localhost function in url_blocker.rb.","status":"published","published":"2023-04-15T23:15:13.52Z","modified":"2026-06-17T01:45:52.203Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:05:00.565712Z"}],"osv":[{"id":"CVE-2018-17452","description":"An issue was discovered in GitLab Community and Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. There is Server-Side Request Forgery (SSRF) via a loopback address to the validate_localhost function in url_blocker.rb.","status":"published","published":"2023-04-15T23:15:13.52Z","modified":"2026-10-30T10:30:59.902995289Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:08.533609Z"},{"id":"UBUNTU-CVE-2018-17452","description":"An issue was discovered in GitLab Community and Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. There is Server-Side Request Forgery (SSRF) via a loopback address to the validate_localhost function in url_blocker.rb.","status":"published","published":"2023-04-15T23:15:00Z","modified":"2025-10-24T04:47:13Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:17.496046Z"}]}}