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Palo Alto patches worrying security issue which could crash your firewall without logging in

Palo Alto patched CVE-2026-0227, a DoS flaw in GlobalProtect Gateway and Portal Vulnerability could force firewalls into maintenance mode; severity rated 7.7/10 Cloud NGFW unaffected; patches required ...
Bleeping Computer

Palo Alto Networks zero-day exploited since March to backdoor firewalls

Suspected state-sponsored hackers have been exploiting a zero-day vulnerability in Palo Alto Networks firewalls tracked as CVE-2024-3400 since March 26, using the compromised devices to breach ...
Threat Post

Massive Zero-Day Hole Found in Palo Alto Security Appliances

UPDATE: Researchers have a working exploit for the vulnerability (now patched), which allows for unauthenticated RCE and affects what Palo Alto clarified is an estimated 10,000 VPN/firewalls.