CVE-2026-0227
HIGHCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
2Description
A vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to cause a denial of service (DoS) to the firewall. Repeated attempts to trigger this issue results in the firewall entering into maintenance mode.
Analysis
Unauthenticated remote attackers can crash Palo Alto Networks PAN-OS firewalls through repeated requests, forcing the devices into maintenance mode and causing denial of service. This vulnerability affects Palo Alto firewalls and Prisma Access deployments with no available patch, creating ongoing operational risk. …
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Remediation
Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.
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