{"cvss":9.0,"datePublished":"2026-07-23T00:00:00Z","dateUpdated":"2026-07-23T00:00:00Z","description":"A remote code execution (RCE) vulnerability exists in fastjson 1.2.68 through 1.2.83. This vulnerability is exploitable under fastjson's stock default configuration — no AutoType enablement required, no classpath gadget required.","dueDate":"","id":"CVE-2026-16723","kev_catalogs":["vulncheck"],"knownRansomwareCampaignUse":"Unknown","product":"fastjson","requiredAction":"Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.","severity":"CRITICAL","source":"vulncheck_kev","title":"alibaba fastjson Improper Input Validation","vendor":"alibaba"}