A massive credential-theft campaign dubbed PCPcat compromised 59,128 Next.js servers in under 48 hours. The operation exploits critical vulnerabilities CVE-2025-29927 and CVE-2025-66478, achieving a 64.6% success rate across 91,505 scanned targets. PCPCat scanners, distributed via react.py malware, probe public Next.js deployments for remote code execution flaws. Attackers use prototype pollution in JSON payloads to inject […]
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