{"id":"CVE-2026-4398","title":"GitLab has remediated an issue in GitLab EE affecting all versions from 18.3 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user could have assigned compliance frameworks from n…","summary":"GitLab has remediated an issue in GitLab EE affecting all versions from 18.3 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user could have assigned compliance frameworks from n…","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","cwe":["CWE-639"],"published":"2026-04-08","updated":"2026-08-28","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-4398","references":[{"url":"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-1-released/","label":"cve@gitlab.com"},{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/600360","label":"cve@gitlab.com"},{"url":"https://hackerone.com/reports/3549150","label":"cve@gitlab.com"}],"tags":["nvd"],"epss":0.00242,"epssPercentile":0.15714,"ingestedAt":"2026-08-29T00:27:52.434Z","slug":"CVE-2026-4398","body":"## Overview\n\nGitLab has remediated an issue in GitLab EE affecting all versions from 18.3 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user could have assigned compliance frameworks from namespaces they were not authorized to access to their own project, due to missing namespace validation on self-managed instances.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}