CVE-2026-40472

{"id": "CVE-2026-40472", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-40472", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-04-23T16:15:39.611590Z"}}], "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}]}, "affected": [{"source": "74b3a70d-cca6-4d34-9789-e83b222ae3be", "affectedData": [{"versions": [{"status": "affected", "version": "0.1", "lessThan": "*", "versionType": "semver"}], "packageName": "hackage-server", "collectionURL": "https://hackage.haskell.org/package/hackage-server", "defaultStatus": "unaffected"}]}], "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": "2026-06-17T10:45:20.490", "sourceIdentifier": "74b3a70d-cca6-4d34-9789-e83b222ae3be"}