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CVE PROGRAM SOURCE RECORD6.6 Medium

CVE-2026-0227

PAN-OS: Firewall Denial of Service (DoS) in GlobalProtect Gateway and Portal

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Status
Published
Published
Updated
Assigning organization
palo_alto

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Palo Alto Networks Cloud NGFW

Default version status: unaffected

  • Allunaffected

Palo Alto Networks PAN-OS

Default version status: affected

  • 12.1.2 to < 12.1.4, 12.1.3-h3affected
  • 11.2.0 to < 11.2.10-h2, 11.2.7-h8, 11.2.4-h15affected
  • 11.1.0 to < 11.1.13, 11.1.10-h9, 11.1.6-h23, 11.1.4-h27affected
  • 10.2.0 to < 10.2.18-h1, 10.2.16-h6, 10.2.13-h18, 10.2.10-h30, 10.2.7-h32affected
  • 10.1.0 to < 10.1.14-h20affected

Palo Alto Networks Prisma Access

Default version status: unaffected

  • 11.2 to < 11.2.7-h8affected
  • 10.2 to < 10.2.10-h29, 10.2.4-h43affected

References