{"id":"CVE-2026-12664","title":"Incorrect Authorization in GitLab","summary":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, could have allowed an authenticated user with a read_api-scoped tok…","severity":"medium","cvss":6.8,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","cvssSource":"cna","cwe":["CWE-863"],"vendor":"GitLab","product":"GitLab","affected":["GitLab >= 18.2 < 19.3.6","GitLab >= 19.4 < 19.4.3","GitLab >= 19.5 < 19.5.1"],"published":"2026-10-21","updated":"2026-10-21","sourceUpdated":"2026-10-21T23:35:30.436Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-12664","references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/603510"},{"url":"https://hackerone.com/reports/3735499","label":"HackerOne Bug Bounty Report #3735499"},{"url":"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/"}],"tags":["cve.org"],"ingestedAt":"2026-10-22T00:21:21.860Z","slug":"CVE-2026-12664","body":"## Overview\n\nGitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, could have allowed an authenticated user with a read_api-scoped token to retrieve a project's incoming email address and create work items, bypassing the token's restrictions, due to insufficient scope enforcement on a GraphQL field.\n\n## Affected\n\n- `GitLab >= 18.2 < 19.3.6`\n- `GitLab >= 19.4 < 19.4.3`\n- `GitLab >= 19.5 < 19.5.1`\n\n## Remediation\n\nUpgrade to versions 19.3.6, 19.4.3, 19.5.1 or above.","depth":"sunlit","depthScore":37,"depthScoreParts":{"impact":37.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}