{"id":"CVE-2026-1747","summary":"Authentication Bypass Using an Alternate Path or Channel in GitLab","details":"GitLab has remediated an issue in GitLab EE affecting all versions from 17.11 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that, under certain conditions, could have allowed Developer-role users with insufficient privileges to make unauthorized modifications to protected Conan packages.","aliases":["BIT-gitlab-2026-1747"],"modified":"2026-10-30T10:47:17.959346009Z","published":"2026-02-25T20:04:49.893Z","database_specific":{"cwe_ids":["CWE-288"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1747.json","cna_assigner":"GitLab"},"references":[{"type":"WEB","url":"https://about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1747.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1747"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/588385"},{"type":"REPORT","url":"https://hackerone.com/reports/3533088"},{"type":"PACKAGE","url":"git://git@gitlab.com:gitlab-org/gitlab.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"b7c061ce59a5eca5c5764fcf61be8a5103fb7d55"},{"fixed":"f70152f12046139e8d5b1652c185af8af63ebca3"},{"introduced":"1010a9b2b769993080ce8399fd25e77c54e1ad1c"},{"fixed":"a28bcd8f433ae9da128464ded4f904d9a3bd89fe"},{"introduced":"20fe49b575fedd2b8cadc2c0640178879854aeb3"},{"last_affected":"20fe49b575fedd2b8cadc2c0640178879854aeb3"}],"database_specific":{"extracted_events":[{"range":[{"introduced":"17.11.0"},{"fixed":"18.7.5"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*"},{"range":[{"introduced":"17.11.0"},{"fixed":"18.7.5"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*"},{"cpe":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*","range":[{"introduced":"18.8.0"},{"fixed":"18.8.5"}],"source":"CPE_RANGE"},{"cpe":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*","range":[{"introduced":"18.8.0"},{"fixed":"18.8.5"}],"source":"CPE_RANGE"},{"range":[{"introduced":"18.9.0"},{"last_affected":"18.9.0"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:gitlab:gitlab:18.9.0:*:*:*:community:*:*:*"},{"source":"CPE_STRING","cpe":"cpe:2.3:a:gitlab:gitlab:18.9.0:*:*:*:enterprise:*:*:*","range":[{"introduced":"18.9.0"},{"last_affected":"18.9.0"}]}]}}],"versions":["18.9.0","v18.9.0-ee","v18.8.1-ee","v18.8.3-ee","v18.8.0-ee"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-1747.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"}]}