{"id":"CVE-2023-5831","aliases":["BIT-gitlab-2023-5831","EUVD-2023-58114","GHSA-53xh-mr6w-445f","UBUNTU-CVE-2023-5831"],"status":"published","title":"Insertion of Sensitive Information Into Sent Data in GitLab","description":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.0 before 16.3.6, all versions starting from 16.4 before 16.4.2, and all versions starting from 16.5.0 before 16.5.1 which have the `super_sidebar_logged_out` feature flag enabled. Affected versions with this default-disabled feature flag enabled may unintentionally disclose GitLab version metadata to unauthorized actors.","severity":{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00545,"percentile":0.4603,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200","CWE-201"],"published":"2023-11-06T10:30:28Z","modified":"2026-10-30T10:46:41Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["16.3.6","16.4.2","16.5.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"16.0.0"},{"fixed":"16.3.6"},{"introduced":"16.4.0"},{"fixed":"16.4.2"},{"introduced":"16.5.0"},{"fixed":"16.5.1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"gitlab","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.4.3+dfsg-9","8.4.3+dfsg-12","8.5.8+dfsg-5"]}],"products":[{"vendor":"gitlab","product":"gitlab"}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/428919","tags":["issue-tracking","x_transferred","Broken Link","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-5831","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-53xh-mr6w-445f"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5831.json","tags":["advisory"]},{"url":"git://git@gitlab.com:gitlab-org/gitlab.git","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2023-5831","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-5831","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-5831","title":"Insertion of Sensitive Information Into Sent Data in GitLab","description":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.0 before 16.3.6, all versions starting from 16.4 before 16.4.2, and all versions starting from 16.5.0 before 16.5.1 which have the `super_sidebar_logged_out` feature flag enabled. Affected versions with this default-disabled feature flag enabled may unintentionally disclose GitLab version metadata to unauthorized actors.","status":"published","published":"2023-11-06T10:30:28.442Z","modified":"2026-10-11T04:16:58.558Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-201"],"updated_at":"2026-11-02T14:35:17.149492Z"}],"euvd":[{"id":"EUVD-2023-58114","description":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.0 before 16.3.6, all versions starting from 16.4 before 16.4.2, and all versions starting from 16.5.0 before 16.5.1 which have the `super_sidebar_logged_out` feature flag enabled. Affected versions with this default-disabled feature flag enabled may unintentionally disclose GitLab version metadata to unauthorized actors.","status":"published","published":"2023-11-06T10:30:28Z","modified":"2026-10-11T04:16:58Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-02T17:27:23.685286Z"}],"ghsa":[{"id":"GHSA-53xh-mr6w-445f","title":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.0 before 16...","description":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.0 before 16.3.6, all versions starting from 16.4 before 16.4.2, and all versions starting from 16.5.0 before 16.5.1 which have the `super_sidebar_logged_out` feature flag enabled. Affected versions with this default-disabled feature flag enabled may unintentionally disclose GitLab version metadata to unauthorized actors.","status":"published","published":"2023-11-06T12:30:24Z","modified":"2024-10-03T09:31:41Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-200","CWE-201"],"updated_at":"2026-11-02T14:58:24.112371Z"}],"nvd":[{"id":"CVE-2023-5831","description":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.0 before 16.3.6, all versions starting from 16.4 before 16.4.2, and all versions starting from 16.5.0 before 16.5.1 which have the `super_sidebar_logged_out` feature flag enabled. Affected versions with this default-disabled feature flag enabled may unintentionally disclose GitLab version metadata to unauthorized actors.","status":"published","published":"2023-11-06T11:15:09.81Z","modified":"2026-06-17T06:49:27.77Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-201"],"updated_at":"2026-11-02T14:08:43.669554Z"}],"osv":[{"id":"CVE-2023-5831","title":"Insertion of Sensitive Information Into Sent Data in GitLab","description":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.0 before 16.3.6, all versions starting from 16.4 before 16.4.2, and all versions starting from 16.5.0 before 16.5.1 which have the `super_sidebar_logged_out` feature flag enabled. Affected versions with this default-disabled feature flag enabled may unintentionally disclose GitLab version metadata to unauthorized actors.","status":"published","published":"2023-11-06T10:30:28.442Z","modified":"2026-10-30T10:46:41.443238651Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-201"],"updated_at":"2026-11-02T15:44:36.851042Z"},{"id":"UBUNTU-CVE-2023-5831","description":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.0 before 16.3.6, all versions starting from 16.4 before 16.4.2, and all versions starting from 16.5.0 before 16.5.1 which have the `super_sidebar_logged_out` feature flag enabled. Affected versions with this default-disabled feature flag enabled may unintentionally disclose GitLab version metadata to unauthorized actors.","status":"published","published":"2023-11-06T11:15:00Z","modified":"2025-10-24T05:01:37Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"},{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-02T16:54:41.555387Z"},{"id":"BIT-gitlab-2023-5831","title":"Insertion of Sensitive Information Into Sent Data in GitLab","description":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.0 before 16.3.6, all versions starting from 16.4 before 16.4.2, and all versions starting from 16.5.0 before 16.5.1 which have the `super_sidebar_logged_out` feature flag enabled. Affected versions with this default-disabled feature flag enabled may unintentionally disclose GitLab version metadata to unauthorized actors.","status":"published","published":"2024-03-06T10:56:04.198Z","modified":"2025-05-20T10:02:07.006Z","updated_at":"2026-11-02T15:28:30.405543Z"}]}}