Your Firewall Is Now An Open Door

Palo Alto is rushing to patch a zero-day that allows their firewalls to be bypassed with disappointing ease. It is comforting to know the perimeter is actually the weakest link.

Source: SecurityWeek

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Severity: Critical Mood: Expected

CVE-2026-0300 has turned Palo Alto’s PAN-OS software into a lovely welcome mat for anyone who understands the Captive Portal service. This zero-day targets PA and VM series firewalls, proving that paying premium prices for hardware is just a way to fund more expensive patches later. Organizations relying on these devices are currently sitting ducks, waiting for a fix while attackers have a field day. To protect the network, one must actually apply the patch, assuming the IT team hasn't already retreated to a room to weep quietly. It’s just another day of paying for the privilege of being vulnerable.

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