CVE-2026-16723

{"id": "CVE-2026-16723", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-16723", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-07-23T13:54:05.935678Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "alibaba-cna@list.alibaba-inc.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.0, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 2.2}]}, "affected": [{"source": "alibaba-cna@list.alibaba-inc.com", "affectedData": [{"vendor": "Alibaba", "product": "Fastjson", "versions": [{"status": "affected", "version": "1.2.68", "versionType": "custom", "lessThanOrEqual": "1.2.83"}], "defaultStatus": "unaffected"}]}], "published": "2026-07-23T09:16:26.700", "references": [{"url": "https://github.com/alibaba/fastjson2/wiki/Security-Advisory:-Remote-Code-Execution-in-fastjson-1.2.68%E2%80%931.2.83", "source": "alibaba-cna@list.alibaba-inc.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "alibaba-cna@list.alibaba-inc.com", "description": [{"lang": "en", "value": "CWE-20"}, {"lang": "en", "value": "CWE-502"}]}], "descriptions": [{"lang": "en", "value": "A remote code execution (RCE) vulnerability exists in fastjson 1.2.68 through 1.2.83. This vulnerability is exploitable under fastjson's\u00a0stock default configuration\u00a0\u2014 no AutoType enablement required, no classpath gadget required."}], "lastModified": "2026-07-23T15:01:24.377", "sourceIdentifier": "alibaba-cna@list.alibaba-inc.com"}