{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-89078", "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "state": "PUBLISHED", "assignerShortName": "GitLab", "dateReserved": "2026-09-10T19:06:37.759Z", "datePublished": "2026-09-23T23:05:20.132Z", "dateUpdated": "2026-09-23T23:05:20.132Z"}, "containers": {"cna": {"title": "Double Free in GitLab", "descriptions": [{"lang": "en", "value": "GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.2 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an authenticated user to execute arbitrary code on the GitLab server due to a double free issue when parsing a specially crafted regular expression in a CI/CD configuration."}], "affected": [{"vendor": "GitLab", "product": "GitLab", "repo": "git://[email protected]:gitlab-org/gitlab.git", "cpes": ["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"], "versions": [{"version": "19.2", "status": "affected", "lessThan": "19.2.7", "versionType": "semver"}, {"version": "19.3", "status": "affected", "lessThan": "19.3.3", "versionType": "semver"}, {"version": "19.4", "status": "affected", "lessThan": "19.4.1", "versionType": "semver"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-415: Double Free", "cweId": "CWE-415", "type": "CWE"}]}], "references": [{"url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/628577"}, {"url": "https://hackerone.com/reports/4019059", "name": "HackerOne Bug Bounty Report #4019059", "tags": ["technical-description", "exploit", "permissions-required"]}, {"url": "https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-1-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:H/I:H/A:L", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "LOW", "baseScore": 9.9, "baseSeverity": "CRITICAL"}}], "solutions": [{"lang": "en", "value": "Upgrade to versions 19.2.7, 19.3.3, 19.4.1 or above."}], "credits": [{"lang": "en", "value": "Thanks [joaxcar](https://hackerone.com/joaxcar) for reporting this vulnerability through our HackerOne bug bounty program", "type": "finder"}], "providerMetadata": {"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab", "dateUpdated": "2026-09-23T23:05:20.132Z"}}}}

{}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "product": "GitLab", "repo": "git://[email protected]:gitlab-org/gitlab.git", "vendor": "GitLab", "versions": [{"lessThan": "19.2.7", "status": "affected", "version": "19.2", "versionType": "semver"}, {"lessThan": "19.3.3", "status": "affected", "version": "19.3", "versionType": "semver"}, {"lessThan": "19.4.1", "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 19.2 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an authenticated user to execute arbitrary code on the GitLab server due to a double free issue when parsing a specially crafted regular expression in a CI/CD configuration."}], "id": "CVE-2026-89078", "lastModified": "2026-09-24T00:17:22.060", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 9.9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 6.0, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-09-24T00:17:22.060", "references": [{"source": "[email protected]", "url": "https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-1-released/"}, {"source": "[email protected]", "url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/628577"}, {"source": "[email protected]", "url": "https://hackerone.com/reports/4019059"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-415"}], "source": "[email protected]", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[19.2,19.2.7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[19.3,19.3.3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[19.4,19.4.1)"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "GitLab", "source": "cna", "vendor": "GitLab"}, "product": "gitlab", "vendor": "gitlab"}], "created": "2026-09-24T00:30:07.123904+00:00", "updated": "2026-09-24T01:00:13.615188+00:00", "vendors": ["gitlab", "gitlab$PRODUCT$gitlab"]}