cve-2026-16723
CRITICAL CVSS 9.0 vulncheck_kev
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.
Timeline
- Published
- 2026-07-23 00:00 UTC
- Last Modified
- 2026-07-23
CVSS Details
CVSS details not available.
Affected Products
No product information available.
References
No references available.
Linked Vulnerabilities
No linked vulnerabilities found.
{
"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"
}