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Palo Alto Networks Addresses High Severity DoS Vulnerability in PAN-OS

Palo Alto Networks Addresses High Severity DoS Vulnerability in PAN-OS

First seen 16 Jan 2026, 19:05 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

Palo Alto Networks has released a security update for PAN-OS to address a high severity vulnerability that could lead to a denial-of-service (DoS) condition. This vulnerability affects the GlobalProtect Gateway and Portal, allowing attackers to potentially force firewalls into maintenance mode, bypassing firewall protection. Currently, there are no reported incidents of exploitation.

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