{"id":"UBUNTU-CVE-2026-100104","details":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.3 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user to perform server-side request forgery and reach internal network resources due to a time-of-check to time-of-use race condition in URL validation during repository import operations.","modified":"2026-10-17T12:57:50.387394711Z","published":"2026-10-13T02:16:00Z","upstream":["CVE-2026-100104"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-100104"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-100104"},{"type":"REPORT","url":"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/594194"}],"affected":[{"package":{"name":"gitlab","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/gitlab?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_name":"gitlab","binary_version":"8.5.8+dfsg-5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-100104.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}