Critical Fastjson Vulnerability Exploited in Active Attacks With No Patch Released

Security research teams report active exploitation of a critical vulnerability in Fastjson, Alibaba's JSON library for Java. The flaw affects Spring Boot…

If your organization runs Fastjson in Spring Boot applications, assess exposure immediately. Review access logs for suspicious activity. Consider implementing network-level or WAF controls while awaiting official patches from Alibaba. Monitor vendor communications closely.