Palo Alto Networks warns of firewall RCE zero-day exploited in attacks

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Palo Alto Networks warns of firewall RCE zero-day exploited in attacks

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Palo Alto Networks warns of firewall RCE zero-day exploited in attacks

Wed May 06 2026

Vulnerability

Zero-day

www.bleepingcomputer.com

Palo Alto Networks warned customers today that a critical-severity unpatched vulnerability in the PAN-OS User-ID Authentication Portal is being exploited in attacks. [...]