{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-6063", "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "state": "PUBLISHED", "assignerShortName": "GitLab", "dateReserved": "2026-04-10T12:33:39.407Z", "datePublished": "2026-05-14T05:34:12.358Z", "dateUpdated": "2026-05-14T13:21:53.278Z"}, "containers": {"cna": {"title": "Authorization Bypass Through User-Controlled Key in GitLab", "descriptions": [{"lang": "en", "value": "GitLab has remediated an issue in GitLab EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that under certain conditions could have allowed an authenticated user with developer-role permissions to remove code owner approval rules from merge requests due to improper access control."}], "affected": [{"vendor": "GitLab", "product": "GitLab", "repo": "git://git@gitlab.com:gitlab-org/gitlab.git", "cpes": ["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"], "versions": [{"version": "11.10", "status": "affected", "lessThan": "18.9.7", "versionType": "semver"}, {"version": "18.10", "status": "affected", "lessThan": "18.10.6", "versionType": "semver"}, {"version": "18.11", "status": "affected", "lessThan": "18.11.3", "versionType": "semver"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-639: Authorization Bypass Through User-Controlled Key", "cweId": "CWE-639", "type": "CWE"}]}], "references": [{"url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/596332"}, {"url": "https://hackerone.com/reports/3649087", "name": "HackerOne Bug Bounty Report #3649087", "tags": ["technical-description", "exploit", "permissions-required"]}, {"url": "https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM"}}], "solutions": [{"lang": "en", "value": "Upgrade to versions 18.9.7, 18.10.6, 18.11.3 or above."}], "credits": [{"lang": "en", "value": "Thanks [pollito](https://hackerone.com/pollito) for reporting this vulnerability through our HackerOne bug bounty program", "type": "finder"}], "providerMetadata": {"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab", "dateUpdated": "2026-05-14T05:34:12.358Z"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-14T13:21:41.702425Z", "id": "CVE-2026-6063", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-14T13:21:53.278Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-6063", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-14T13:21:41.702425Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-14T13:21:49.048Z"}}], "cna": {"title": "Authorization Bypass Through User-Controlled Key in GitLab", "credits": [{"lang": "en", "type": "finder", "value": "Thanks [pollito](https://hackerone.com/pollito) for reporting this vulnerability through our HackerOne bug bounty program"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"cpes": ["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"], "repo": "git://git@gitlab.com:gitlab-org/gitlab.git", "vendor": "GitLab", "product": "GitLab", "versions": [{"status": "affected", "version": "11.10", "lessThan": "18.9.7", "versionType": "semver"}, {"status": "affected", "version": "18.10", "lessThan": "18.10.6", "versionType": "semver"}, {"status": "affected", "version": "18.11", "lessThan": "18.11.3", "versionType": "semver"}], "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Upgrade to versions 18.9.7, 18.10.6, 18.11.3 or above."}], "references": [{"url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/596332"}, {"url": "https://hackerone.com/reports/3649087", "name": "HackerOne Bug Bounty Report #3649087", "tags": ["technical-description", "exploit", "permissions-required"]}, {"url": "https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/"}], "descriptions": [{"lang": "en", "value": "GitLab has remediated an issue in GitLab EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that under certain conditions could have allowed an authenticated user with developer-role permissions to remove code owner approval rules from merge requests due to improper access control."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-639", "description": "CWE-639: Authorization Bypass Through User-Controlled Key"}]}], "providerMetadata": {"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab", "dateUpdated": "2026-05-14T05:34:12.358Z"}}}, "cveMetadata": {"cveId": "CVE-2026-6063", "state": "PUBLISHED", "dateUpdated": "2026-05-14T13:21:53.278Z", "dateReserved": "2026-04-10T12:33:39.407Z", "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "datePublished": "2026-05-14T05:34:12.358Z", "assignerShortName": "GitLab"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "89AA9E0E-F6CD-4FAB-8782-F2FF39365F4B", "versionEndExcluding": "18.9.7", "versionStartIncluding": "11.10.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "E79D4F10-88B3-4AA7-BC5E-3FC8FA698969", "versionEndExcluding": "18.10.6", "versionStartIncluding": "18.10.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "DA0D6580-3530-4D76-81CE-D852BCE0D411", "versionEndExcluding": "18.11.3", "versionStartIncluding": "18.11.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "GitLab has remediated an issue in GitLab EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that under certain conditions could have allowed an authenticated user with developer-role permissions to remove code owner approval rules from merge requests due to improper access control."}], "id": "CVE-2026-6063", "lastModified": "2026-05-16T03:34:11.930", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "cve@gitlab.com", "type": "Secondary"}]}, "published": "2026-05-14T06:16:24.307", "references": [{"source": "cve@gitlab.com", "tags": ["Release Notes"], "url": "https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/"}, {"source": "cve@gitlab.com", "tags": ["Not Applicable"], "url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/596332"}, {"source": "cve@gitlab.com", "tags": ["Permissions Required"], "url": "https://hackerone.com/reports/3649087"}], "sourceIdentifier": "cve@gitlab.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}], "source": "cve@gitlab.com", "type": "Primary"}]}

{}