FastJson

Reported Context (4)

The month also saw Azure tenant takeover abuse, ENCFORGE ransomware targeting AI/ML assets, and several high-profile breaches affecting FastJson, Abbott Laboratories, Accenture, and Fairlife. July 2026 Security Briefing: Agentic Ransomware, GOLD EAGLE and Major Incidents
Threat actors have been exploiting a critical-severity remote code execution (RCE) vulnerability in Fastjson, security researchers warn. Unpatched Fastjson Vulnerability Exploited in Attacks
Hackers are actively exploiting CVE-2026-16723 in the FastJson open-source Java library to achieve remote code execution without user interaction or elevated privileges. Hackers Actively Exploit FastJson RCE Vulnerability CVE-2026-16723
Attackers are exploiting CVE-2026-16723, a critical Fastjson flaw in Spring Boot fat-JAR applications that can lead to unauthenticated code execution with Java process privileges. ThreatBook and Imperva Report Fastjson CVE-2026-16723 Exploitation; No Fastjson 1.x Patch Available

CVE (1)

Malware (2)

People (1)

Threat Actors (5)

MITRE ATT&CK (10)

Vendors (6)

Products (4)

Industries (8)

Countries (3)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.