CVE-2026-73647

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{"affected": [{"affectedData": [{"product": "quasar", "vendor": "quasarframework", "versions": [{"status": "affected", "version": "< 2.22.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Quasar Framework is a framework for building high-performance Vue.js user interfaces. Prior to 2.22.0, the public extend() utility in ui/src/utils/extend/extend.js recursively copied attacker-controlled object keys during extend(true, target, source) deep merges without rejecting an own __proto__ property. The merge could descend into the prototype object and write attacker-controlled properties to Object.prototype in the same JavaScript process. Applications that passed user-controlled or partially user-controlled objects to extend() could experience logic bypass, unsafe default-option injection, denial of service, or other application-specific impact when polluted properties were later consumed. This issue is fixed in version 2.22.0."}, {"lang": "es", "value": "Quasar Framework es un framework para construir interfaces de usuario Vue.js de alto rendimiento. Antes de la 2.22.0, la utilidad p\u00fablica extend() en ui/src/utils/extend/extend.js copiaba recursivamente claves de objeto controladas por el atacante durante las fusiones profundas extend(true, target, source) sin rechazar una propiedad __proto__ propia. La fusi\u00f3n pod\u00eda descender al objeto prototipo y escribir propiedades controladas por el atacante en Object.prototype en el mismo proceso de JavaScript. Las aplicaciones que pasaban objetos controlados por el usuario o parcialmente controlados por el usuario a extend() pod\u00edan experimentar omisi\u00f3n de l\u00f3gica, inyecci\u00f3n insegura de opciones predeterminadas, denegaci\u00f3n de servicio u otro impacto espec\u00edfico de la aplicaci\u00f3n cuando las propiedades contaminadas eran consumidas posteriormente. Este problema est\u00e1 corregido en la versi\u00f3n 2.22.0."}], "id": "CVE-2026-73647", "lastModified": "2026-10-24T15:10:00.190", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.4, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-73647", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-13T18:41:13.711876Z", "version": "2.0.3"}}]}, "published": "2026-08-13T18:18:20.450", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/quasarframework/quasar/commit/d0a95d95ab3c29d13e1b8ba8c5e5025fd6ce35e7"}, {"source": "security-advisories@github.com", "url": "https://github.com/quasarframework/quasar/releases/tag/quasar-v2.22.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/quasarframework/quasar/security/advisories/GHSA-3r53-75j5-3g7j"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/quasarframework/quasar/security/advisories/GHSA-3r53-75j5-3g7j"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1321"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

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