{
    "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://git@gitlab.com: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"
            }
        }
    }
}