CVE-2026-40472

{"id": "CVE-2026-40472", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "74b3a70d-cca6-4d34-9789-e83b222ae3be", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.9, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 3.1}]}, "published": "2026-04-23T16:16:25.753", "references": [{"url": "https://osv.dev/vulnerability/HSEC-2026-0004", "source": "74b3a70d-cca6-4d34-9789-e83b222ae3be"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "74b3a70d-cca6-4d34-9789-e83b222ae3be", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "In hackage-server, user-controlled metadata from .cabal files are rendered into HTML\nhref attributes without proper sanitization, enabling stored\nCross-Site Scripting (XSS) attacks."}], "lastModified": "2026-04-24T14:41:55.890", "sourceIdentifier": "74b3a70d-cca6-4d34-9789-e83b222ae3be"}