What is GHSA-crf3-v9rr-v7hj?

GHSA-crf3-v9rr-v7hj is a security advisory published by GitHub Security Advisories with Critical severity. fastjson has a remote code execution (RCE) vulnerability

Which CVE IDs does GHSA-crf3-v9rr-v7hj cover?

GHSA-crf3-v9rr-v7hj covers the following CVE IDs: CVE-2026-16723. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-crf3-v9rr-v7hj?

GHSA-crf3-v9rr-v7hj has a CVSS v3 base score of 9.0, published by GitHub Security Advisories.

Which products are affected by GHSA-crf3-v9rr-v7hj?

GHSA-crf3-v9rr-v7hj affects 1 product, including: maven/com.alibaba:fastjson:\u003e= 1.2.68, \u003c= 1.2.83.

GHSA-crf3-v9rr-v7hjCriticalCVSS 9.0

fastjson has a remote code execution (RCE) vulnerability

Vendor

GitHub Security Advisories

Published

July 23, 2026

Last Modified

August 7, 2026

🔗 CVE IDs covered (1)

CVE-2026-16723 →

📋 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.

🎯 Affected products1

maven/com.alibaba:fastjson:>= 1.2.68, <= 1.2.83

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-16723
https://github.com/alibaba/fastjson2/wiki/Security-Advisory:-Remote-Code-Execution-in-fastjson-1.2.68%E2%80%931.2.83
https://github.com/advisories/GHSA-crf3-v9rr-v7hj