{"id":"CVE-2026-3553","summary":"Incorrect Authorization in GitLab","details":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.0 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user to access confidential issue details due to incorrect authorization checks.","aliases":["BIT-gitlab-2026-3553"],"modified":"2026-10-24T10:31:00.004016082Z","published":"2026-06-11T10:21:26.429Z","database_specific":{"cna_assigner":"GitLab","cwe_ids":["CWE-863"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3553.json","unresolved_ranges":[{"extracted_events":[{"strategy":"StandardRange","range":[{"introduced":"12.0"},{"fixed":"18.10.8"},{"introduced":"18.11"},{"fixed":"18.11.5"},{"introduced":"19.0"},{"fixed":"19.0.2"}],"source":"AFFECTED_FIELD"}]},{"extracted_events":[{"range":[{"introduced":"12.0"},{"fixed":"18.10.8"},{"introduced":"18.11"},{"fixed":"18.11.5"},{"introduced":"19.0"},{"fixed":"19.0.2"}],"source":"DESCRIPTION"}]}]},"references":[{"type":"WEB","url":"https://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released/"},{"type":"WEB","url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/592295"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3553.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3553"},{"type":"REPORT","url":"https://hackerone.com/reports/3578216"},{"type":"PACKAGE","url":"git://git@gitlab.com:gitlab-org/gitlab.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"3b13818e8330f68625d80d9bf5d8049c41fbe197"},{"fixed":"691141944493a0faa4bc3229af2e6a8663e58653"},{"introduced":"1060c7b0ff78be7c8abe8fd6d23dcb1ca493fd78"},{"fixed":"9b638f3c6869a41d392cc3f77cfd68c8a06bda5f"},{"introduced":"f07e3c5b3c8128be5db112e5b2b618fe31ea1b35"},{"fixed":"86c99d562e4d6929fc43de673da9e48155f9ad95"}],"database_specific":{"extracted_events":[{"cpe":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*","range":[{"introduced":"12.0.0"},{"fixed":"18.10.8"}],"source":"CPE_RANGE"},{"source":"CPE_RANGE","cpe":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*","range":[{"introduced":"12.0.0"},{"fixed":"18.10.8"}]},{"range":[{"introduced":"18.11.0"},{"fixed":"18.11.5"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*"},{"source":"CPE_RANGE","cpe":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*","range":[{"introduced":"18.11.0"},{"fixed":"18.11.5"}]},{"range":[{"introduced":"19.0.0"},{"fixed":"19.0.2"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*"},{"cpe":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*","range":[{"introduced":"19.0.0"},{"fixed":"19.0.2"}],"source":"CPE_RANGE"}]}}],"versions":["v19.0.0-ee","v18.11.2-ee","v18.11.0-ee"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-3553.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N"}]}