CVE-2026-78847

{"id": "CVE-2026-78847", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-78847", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-09-22T15:12:23.119470Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}]}], "published": "2026-09-21T22:16:58.863", "references": [{"url": "https://blog.checo.cc/en/posts/Security/1", "source": "cve@mitre.org"}, {"url": "https://github.com/jonschlinkert/gray-matter/issues/112", "source": "cve@mitre.org"}, {"url": "https://github.com/jonschlinkert/gray-matter/issues/131", "source": "cve@mitre.org"}, {"url": "https://github.com/jonschlinkert/gray-matter/issues/182", "source": "cve@mitre.org"}, {"url": "https://github.com/jonschlinkert/gray-matter/issues/182", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-95"}]}], "descriptions": [{"lang": "en", "value": "An issue in gray-matter All versions (verified on 4.0.3) allows the JavaScript engine in lib/engines.js using eval() to parse front matter when language is js/javascript.This allows arbitrary code execution."}], "lastModified": "2026-09-22T20:00:03.713", "sourceIdentifier": "cve@mitre.org"}