Nation-state actors exploit Palo Alto PAN-OS zero-day for weeks
Source: Security Affairs · Category: Nation-State
State-sponsored actors exploited PAN-OS CVE-2026-0300 for ~4 weeks, gaining root access, deploying tunneling tools (EarthWorm, ReverseSocks5), and covering tracks. Law firms with exposed firewalls face data exfiltration and persistence risks. Immediate patching and forensics on affected systems required.