{"id":"UBUNTU-CVE-2026-1387","details":"GitLab has remediated an issue in GitLab EE affecting all versions from 15.6 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an authenticated user to cause Denial of Service by uploading a malicious file and repeatedly querying it through GraphQl.","modified":"2026-05-20T16:24:07.282730966Z","published":"2026-02-11T12:16:00Z","upstream":["CVE-2026-1387"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-1387"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-1387"},{"type":"REPORT","url":"https://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/587546"},{"type":"REPORT","url":"https://hackerone.com/reports/3515994"}],"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-2026-1387.json"}},{"package":{"name":"gitlab-agent","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/gitlab-agent?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["14.1.0-1","16.1.3-2"],"ecosystem_specific":{"binaries":[{"binary_name":"ruby-kas-grpc","binary_version":"16.1.3-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1387.json"}},{"package":{"name":"gitlab-agent","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/gitlab-agent?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["16.1.3-2"],"ecosystem_specific":{"binaries":[{"binary_name":"ruby-kas-grpc","binary_version":"16.1.3-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1387.json"}},{"package":{"name":"gitlab-agent","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/gitlab-agent?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["16.1.3-2","16.1.3-2build1"],"ecosystem_specific":{"binaries":[{"binary_version":"16.1.3-2build1","binary_name":"ruby-kas-grpc"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1387.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}