{"api_version":"1","generated_at":"2026-04-23T00:40:43+00:00","cve":"CVE-2023-5831","urls":{"html":"https://cve.report/CVE-2023-5831","api":"https://cve.report/api/cve/CVE-2023-5831.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-5831","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-5831"},"summary":{"title":"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.","state":"PUBLIC","assigner":"cve@gitlab.com","published_at":"2023-11-06 11:15:00","updated_at":"2023-11-14 16:59:00"},"problem_types":["NVD-CWE-noinfo"],"metrics":[],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/428919","name":"https://gitlab.com/gitlab-org/gitlab/-/issues/428919","refsource":"MISC","tags":[],"title":"Not Found","mime":"text/html","httpstatus":"404","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-5831","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-5831","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2023","cve_id":"5831","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"gitlab","cpe5":"gitlab","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"community","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"5831","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"gitlab","cpe5":"gitlab","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"enterprise","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"5831","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"gitlab","cpe5":"gitlab","cpe6":"16.5.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"community","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"5831","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"gitlab","cpe5":"gitlab","cpe6":"16.5.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"enterprise","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2023-5831","qid":"379590","title":"Gitlab Multiple Vulnerabilities (prior to gitlab- 16.5.1, 16.4.2, 16.3.6)"},{"cve":"CVE-2023-5831","qid":"691342","title":"Free Berkeley Software Distribution (FreeBSD) Security Update for gitlab (a612c25f-788a-11ee-8d57-001b217b3468)"}]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2023-5831","ASSIGNER":"cve@gitlab.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","cweId":"CWE-200"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"GitLab","product":{"product_data":[{"product_name":"GitLab","version":{"version_data":[{"version_affected":"<","version_name":"16.0","version_value":"16.3.6"},{"version_affected":"<","version_name":"16.4","version_value":"16.4.2"},{"version_affected":"<","version_name":"16.5","version_value":"16.5.1"}]}}]}}]}},"references":{"reference_data":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/428919","refsource":"MISC","name":"https://gitlab.com/gitlab-org/gitlab/-/issues/428919"}]},"solution":[{"lang":"en","value":"Upgrade to version 16.3.6, 16.4.1, 16.5.1. Risk can also be mitigated by disabling the default-disabled `super_sidebar_logged_out` feature flag if it was previously enabled."}],"credits":[{"lang":"en","value":"This vulnerability was discovered internally by the GitLab team"}],"impact":{"cvss":[{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":3.7,"baseSeverity":"LOW"}]}},"nvd":{"publishedDate":"2023-11-06 11:15:00","lastModifiedDate":"2023-11-14 16:59:00","problem_types":["NVD-CWE-noinfo"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM"},"exploitabilityScore":3.9,"impactScore":1.4}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*","versionStartIncluding":"16.4.0","versionEndExcluding":"16.4.2","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*","versionStartIncluding":"16.4.0","versionEndExcluding":"16.4.2","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:gitlab:gitlab:16.5.0:*:*:*:community:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:gitlab:gitlab:16.5.0:*:*:*:enterprise:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*","versionStartIncluding":"16.0.0","versionEndExcluding":"16.3.6","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*","versionStartIncluding":"16.0.0","versionEndExcluding":"16.3.6","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}