CVE-2026-16723

Hackers are actively exploiting a vulnerability in the FastJson open-source Java library, allowing remote code execution without user interaction or elevated privileges. The security issue affects FastJson versions 1.2.68 through 1.2.83 and is leveraged in attacks targeting various organizations in the U.S. The malicious activity was observed last week by the agentic security company ThreatBook, and researchers […]