{"id":"UBUNTU-CVE-2023-0756","details":"An issue has been discovered in GitLab affecting all versions before 15.9.6, all versions starting from 15.10 before 15.10.5, all versions starting from 15.11 before 15.11.1. The main branch of a repository with a specially crafted name allows an attacker to create repositories with malicious code, victims who clone or download these repositories will execute arbitrary code on their systems.","modified":"2025-10-24T05:01:06Z","published":"2023-05-03T22:15:00Z","upstream":["CVE-2023-0756"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-0756"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/390910"},{"type":"REPORT","url":"https://hackerone.com/reports/1864278"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0756.json"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-0756"}],"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_name":"gitlab","binary_version":"8.5.8+dfsg-5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-0756.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}