{"id":"UBUNTU-CVE-2018-17452","details":"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.","modified":"2025-10-24T04:47:13Z","published":"2023-04-15T23:15:00Z","upstream":["CVE-2018-17452"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-17452"},{"type":"REPORT","url":"https://about.gitlab.com/2018/10/01/security-release-gitlab-11-dot-3-dot-1-released/"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-17452"}],"affected":[{"package":{"name":"gitlab","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/gitlab@8.5.8+dfsg-5?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.4.3+dfsg-9","8.4.3+dfsg-12","8.5.8+dfsg-5"],"ecosystem_specific":{"binaries":[{"binary_version":"8.5.8+dfsg-5","binary_name":"gitlab"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-17452.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}