{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-16301", "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "state": "PUBLISHED", "assignerShortName": "GitLab", "dateReserved": "2026-07-20T13:04:30.251Z", "datePublished": "2026-10-13T01:08:11.162Z", "dateUpdated": "2026-10-13T01:08:11.162Z"}, "containers": {"cna": {"title": "Incorrect Authorization in GitLab", "descriptions": [{"lang": "en", "value": "GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.7 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user with Developer role to execute CI/CD pipelines on protected branches without authorization due to improper authorization checks in the downstream pipeline creation service."}], "affected": [{"vendor": "GitLab", "product": "GitLab", "repo": "https://gitlab.com/gitlab-org/gitlab", "cpes": ["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"], "versions": [{"version": "18.7", "status": "affected", "lessThan": "19.2.8", "versionType": "semver"}, {"version": "19.3", "status": "affected", "lessThan": "19.3.5", "versionType": "semver"}, {"version": "19.4", "status": "affected", "lessThan": "19.4.2", "versionType": "semver"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-863: Incorrect Authorization", "cweId": "CWE-863", "type": "CWE"}]}], "references": [{"url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/606501"}, {"url": "https://hackerone.com/reports/3853866", "name": "HackerOne Bug Bounty Report #3853866", "tags": ["technical-description", "exploit", "permissions-required"]}, {"url": "https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-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:C/C:L/I:H/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 8.5, "baseSeverity": "HIGH"}}], "solutions": [{"lang": "en", "value": "Upgrade to versions 19.2.8, 19.3.5, 19.4.2 or above."}], "credits": [{"lang": "en", "value": "Thanks [sim4n6](https://hackerone.com/sim4n6) for reporting this vulnerability through our HackerOne bug bounty program", "type": "finder"}], "providerMetadata": {"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab", "dateUpdated": "2026-10-13T01:08:11.162Z"}}}}

{}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "product": "GitLab", "repo": "https://gitlab.com/gitlab-org/gitlab", "vendor": "GitLab", "versions": [{"lessThan": "19.2.8", "status": "affected", "version": "18.7", "versionType": "semver"}, {"lessThan": "19.3.5", "status": "affected", "version": "19.3", "versionType": "semver"}, {"lessThan": "19.4.2", "status": "affected", "version": "19.4", "versionType": "semver"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.7 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user with Developer role to execute CI/CD pipelines on protected branches without authorization due to improper authorization checks in the downstream pipeline creation service."}], "id": "CVE-2026-16301", "lastModified": "2026-10-13T02:16:58.583", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.5, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 4.7, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-10-13T02:16:58.583", "references": [{"source": "[email protected]", "url": "https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/"}, {"source": "[email protected]", "url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/606501"}, {"source": "[email protected]", "url": "https://hackerone.com/reports/3853866"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "[email protected]", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[18.7,19.2.8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[19.3,19.3.5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[19.4,19.4.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "inferred", "scores": [{"score": 100.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "GitLab", "source": "cna", "vendor": "GitLab"}, "product": "gitlab", "vendor": "gitlab"}], "created": "2026-10-13T02:45:06.736298+00:00", "updated": "2026-10-13T04:00:15.309522+00:00", "vendors": ["gitlab", "gitlab$PRODUCT$gitlab"]}