CVE-2026-12436

{"id": "CVE-2026-12436", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-12436", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-07-30T03:55:42.557469Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@gitlab.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.4, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 1.8}]}, "affected": [{"source": "cve@gitlab.com", "affectedData": [{"cpes": ["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"], "repo": "git://git@gitlab.com:gitlab-org/gitlab.git", "vendor": "GitLab", "product": "GitLab", "versions": [{"status": "affected", "version": "18.0", "lessThan": "19.0.5", "versionType": "semver"}, {"status": "affected", "version": "19.1", "lessThan": "19.1.3", "versionType": "semver"}, {"status": "affected", "version": "19.2", "lessThan": "19.2.1", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-07-29T20:17:00.417", "references": [{"url": "https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released/", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve@gitlab.com"}, {"url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/603223", "tags": ["Broken Link"], "source": "cve@gitlab.com"}, {"url": "https://hackerone.com/reports/3800511", "tags": ["Permissions Required"], "source": "cve@gitlab.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "cve@gitlab.com", "description": [{"lang": "en", "value": "CWE-915"}]}], "descriptions": [{"lang": "en", "value": "GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user to modify CI/CD configuration belonging to another user due to improper validation of user-supplied attributes when processing pipeline schedule inputs."}], "lastModified": "2026-08-03T13:42:46.800", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "vulnerable": true, "matchCriteriaId": "0647A01C-2AF0-46B2-B951-E0E21DD88514", "versionEndExcluding": "19.0.5", "versionStartIncluding": "18.0.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "98F5731F-B97D-4C93-AFF2-AD487A2E97C6", "versionEndExcluding": "19.0.5", "versionStartIncluding": "18.0.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "vulnerable": true, "matchCriteriaId": "A63CCF5E-7A62-47E0-8949-269E2487CC82", "versionEndExcluding": "19.1.3", "versionStartIncluding": "19.1.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "02C7C8D4-9DFC-42F5-9E73-C2E81B2A7C3C", "versionEndExcluding": "19.1.3", "versionStartIncluding": "19.1.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:19.2.0:*:*:*:community:*:*:*", "vulnerable": true, "matchCriteriaId": "CB23328F-6D4D-4FBE-8AF1-11AE68F7F824"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:19.2.0:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "2BA0ECDA-CCC7-41A9-8FFD-3557AE49F9B2"}], "operator": "OR"}]}], "sourceIdentifier": "cve@gitlab.com"}