Fastjson 1.x RCE Vulnerability Targeted in Attacks With No Patched Available
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-16723 | A remote code execution (RCE) vulnerability exists in fastjson 1.2.68 through 1.2.83 | 9.0 | <1% | PoC ×3 |
From the original article
3 min read at thehackernews.com
Swati Khandelwal Jul 25, 2026 Vulnerability / Application Security Security firms ThreatBook and Imperva say attackers are targeting a critical flaw in Fastjson, Alibaba's JSON library for Java. In affected Spring Boot applications, a malicious JSON request can execute code without authentication, with the privileges of the Java process.
By @TheHackersNews · thehackernews.com
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