CVE-2026-0257: Palo Alto Networks PAN-OS Authentication Bypass Vulnerability

Authentication bypass vulnerabilities in the GlobalProtect portal and gateway of Palo Alto Networks PAN-OS® software allows the attacker to bypass security restrictions and establish an unauthorized VPN connection. Panorama and Cloud NGFW are not impacted by these issues.
CVE-2026-0257CVSS 7.8CISA KEVFirewall

CVE-2026-0257: Palo Alto Networks PAN-OS Authentication Bypass Vulnerability

Authentication bypass vulnerabilities in the GlobalProtect portal and gateway of Palo Alto Networks PAN-OS® software allows the attacker to bypass security restrictions and establish an unauthorized VPN connection. Panorama and Cloud NGFW are not impacted by these issues.

CVSS
7.8 HIGH
EPSS
99.72%
Known exploited
yes
Product
PAN-OS

What is known

Authentication bypass vulnerabilities in the GlobalProtect portal and gateway of Palo Alto Networks PAN-OS® software allows the attacker to bypass security restrictions and establish an unauthorized VPN connection. Panorama and Cloud NGFW are not impacted by these issues.

Sources

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