Tag: FastJson

  • FastJson RCE Zero-Day Exploited Against US Organisations

    FastJson RCE Zero-Day Exploited Against US Organisations

    Hackers are actively exploiting a FastJson RCE zero-day that can give them remote code execution on vulnerable Java applications. The flaw, tracked as CVE-2026-16723, affects FastJson versions 1.2.68 through 1.2.83. Researchers have observed attacks against organisations in the United States across financial services, healthcare, computing, retail and other sectors. A small number of attacks have…