Top 10 Cybersecurity Stories This Week: PHP2Shell Threatens 5.1 Million Internet-Exposed PHP Servers With Unauthenticated RCE, Eight eMudhra CA Private Keys Cracked From Public Certificates, CISA and FBI Warn SafePay Ransomware Has Hit 600+ Critical Infrastructure Organizations
October 23, 2026 | ITBriefcase.net Why it matters: Tuesday, October 21 delivered one of the heaviest single-day security disclosures of the year: PHP2Shell, GitLab CVE-2026-110264, and Node.js security releases all shipped simultaneously, each carrying unauthenticated...








