{"id":"CVE-2018-17452","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-17452","generatedAt":"2026-10-28T21:22:53.446Z","title":"There is Server-Side Request Forgery (SSRF) via a loopback address to the validate_localhost function in url_blocker.rb.","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.","published":"2023-04-15T23:15:14.000Z","lastModified":"2026-06-17T01:45:52.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-918"],"affected":["gitlab/gitlab"],"epss":{"score":0.00737,"percentile":0.54279,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.74%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://about.gitlab.com/blog/categories/releases/","tags":["Release Notes"],"source":"cve@mitre.org"},{"url":"https://about.gitlab.com/releases/2018/10/01/security-release-gitlab-11-dot-3-dot-1-released/","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://about.gitlab.com/blog/categories/releases/","tags":["Release Notes"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://about.gitlab.com/releases/2018/10/01/security-release-gitlab-11-dot-3-dot-1-released/","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-17452","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}