Vulnerability Database

322,732

Total vulnerabilities in the database

CVE-2026-0227

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.

  • Published: Jan 15, 2026
  • Updated: Jan 24, 2026
  • CVE: CVE-2026-0227
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWEs:

Software From Fixed in
paloaltonetworks / pan-os 10.1.14 10.1.14.x
paloaltonetworks / pan-os 10.1.14-h10 10.1.14-h10.x
paloaltonetworks / pan-os 10.1.14-h11 10.1.14-h11.x
paloaltonetworks / pan-os 10.1.14-h13 10.1.14-h13.x
paloaltonetworks / pan-os 10.1.14-h14 10.1.14-h14.x
paloaltonetworks / pan-os 10.1.14-h15 10.1.14-h15.x
paloaltonetworks / pan-os 10.1.14-h16 10.1.14-h16.x
paloaltonetworks / pan-os 10.1.14-h19 10.1.14-h19.x
paloaltonetworks / pan-os 10.1.14-h2 10.1.14-h2.x
paloaltonetworks / pan-os 10.1.14-h4 10.1.14-h4.x
paloaltonetworks / pan-os 10.1.14-h6 10.1.14-h6.x
paloaltonetworks / pan-os 10.1.14-h8 10.1.14-h8.x
paloaltonetworks / pan-os 10.1.14-h9 10.1.14-h9.x
paloaltonetworks / pan-os 10.2.7 10.2.7.x
paloaltonetworks / pan-os 10.2.7-h1 10.2.7-h1.x
paloaltonetworks / pan-os 10.2.7-h12 10.2.7-h12.x
paloaltonetworks / pan-os 10.2.7-h16 10.2.7-h16.x
paloaltonetworks / pan-os 10.2.7-h18 10.2.7-h18.x
paloaltonetworks / pan-os 10.2.7-h19 10.2.7-h19.x
paloaltonetworks / pan-os 10.2.7-h21 10.2.7-h21.x
paloaltonetworks / pan-os 10.2.7-h24 10.2.7-h24.x
paloaltonetworks / pan-os 10.2.7-h3 10.2.7-h3.x
paloaltonetworks / pan-os 10.2.7-h6 10.2.7-h6.x
paloaltonetworks / pan-os 10.2.7-h8 10.2.7-h8.x
paloaltonetworks / pan-os 10.2.10 10.2.10.x
paloaltonetworks / pan-os 10.2.10-h10 10.2.10-h10.x
paloaltonetworks / pan-os 10.2.10-h12 10.2.10-h12.x
paloaltonetworks / pan-os 10.2.10-h14 10.2.10-h14.x
paloaltonetworks / pan-os 10.2.10-h17 10.2.10-h17.x
paloaltonetworks / pan-os 10.2.10-h18 10.2.10-h18.x
paloaltonetworks / pan-os 10.2.10-h2 10.2.10-h2.x
paloaltonetworks / pan-os 10.2.10-h21 10.2.10-h21.x
paloaltonetworks / pan-os 10.2.10-h27 10.2.10-h27.x
paloaltonetworks / pan-os 10.2.10-h3 10.2.10-h3.x
paloaltonetworks / pan-os 10.2.10-h4 10.2.10-h4.x
paloaltonetworks / pan-os 10.2.10-h5 10.2.10-h5.x
paloaltonetworks / pan-os 10.2.10-h7 10.2.10-h7.x
paloaltonetworks / pan-os 10.2.10-h9 10.2.10-h9.x
paloaltonetworks / pan-os 10.2.13 10.2.13.x
paloaltonetworks / pan-os 10.2.13-h1 10.2.13-h1.x
paloaltonetworks / pan-os 10.2.13-h10 10.2.13-h10.x
paloaltonetworks / pan-os 10.2.13-h16 10.2.13-h16.x
paloaltonetworks / pan-os 10.2.13-h2 10.2.13-h2.x
paloaltonetworks / pan-os 10.2.13-h3 10.2.13-h3.x
paloaltonetworks / pan-os 10.2.13-h4 10.2.13-h4.x
paloaltonetworks / pan-os 10.2.13-h5 10.2.13-h5.x
paloaltonetworks / pan-os 10.2.13-h7 10.2.13-h7.x
paloaltonetworks / pan-os 10.2.16 10.2.16.x
paloaltonetworks / pan-os 10.2.16-h1 10.2.16-h1.x
paloaltonetworks / pan-os 10.2.16-h4 10.2.16-h4.x
paloaltonetworks / pan-os 10.2.17 10.2.17.x
paloaltonetworks / pan-os 10.2.18 10.2.18.x
paloaltonetworks / pan-os 11.1.4 11.1.4.x
paloaltonetworks / pan-os 11.1.4-h1 11.1.4-h1.x
paloaltonetworks / pan-os 11.1.4-h13 11.1.4-h13.x
paloaltonetworks / pan-os 11.1.4-h15 11.1.4-h15.x
paloaltonetworks / pan-os 11.1.4-h17 11.1.4-h17.x
paloaltonetworks / pan-os 11.1.4-h18 11.1.4-h18.x
paloaltonetworks / pan-os 11.1.4-h25 11.1.4-h25.x
paloaltonetworks / pan-os 11.1.4-h4 11.1.4-h4.x
paloaltonetworks / pan-os 11.1.4-h7 11.1.4-h7.x
paloaltonetworks / pan-os 11.1.4-h9 11.1.4-h9.x
paloaltonetworks / pan-os 11.1.6 11.1.6.x
paloaltonetworks / pan-os 11.1.6-h1 11.1.6-h1.x
paloaltonetworks / pan-os 11.1.6-h10 11.1.6-h10.x
paloaltonetworks / pan-os 11.1.6-h14 11.1.6-h14.x
paloaltonetworks / pan-os 11.1.6-h17 11.1.6-h17.x
paloaltonetworks / pan-os 11.1.6-h19 11.1.6-h19.x
paloaltonetworks / pan-os 11.1.6-h20 11.1.6-h20.x
paloaltonetworks / pan-os 11.1.6-h21 11.1.6-h21.x
paloaltonetworks / pan-os 11.1.6-h22 11.1.6-h22.x
paloaltonetworks / pan-os 11.1.6-h3 11.1.6-h3.x
paloaltonetworks / pan-os 11.1.6-h4 11.1.6-h4.x
paloaltonetworks / pan-os 11.1.6-h6 11.1.6-h6.x
paloaltonetworks / pan-os 11.1.6-h7 11.1.6-h7.x
paloaltonetworks / pan-os 11.1.10 11.1.10.x
paloaltonetworks / pan-os 11.1.10-h1 11.1.10-h1.x
paloaltonetworks / pan-os 11.1.10-h4 11.1.10-h4.x
paloaltonetworks / pan-os 11.1.10-h5 11.1.10-h5.x
paloaltonetworks / pan-os 11.1.10-h7 11.1.10-h7.x
paloaltonetworks / pan-os 11.2.4 11.2.4.x
paloaltonetworks / pan-os 11.2.4-h1 11.2.4-h1.x
paloaltonetworks / pan-os 11.2.4-h10 11.2.4-h10.x
paloaltonetworks / pan-os 11.2.4-h11 11.2.4-h11.x
paloaltonetworks / pan-os 11.2.4-h12 11.2.4-h12.x
paloaltonetworks / pan-os 11.2.4-h2 11.2.4-h2.x
paloaltonetworks / pan-os 11.2.4-h4 11.2.4-h4.x
paloaltonetworks / pan-os 11.2.4-h5 11.2.4-h5.x
paloaltonetworks / pan-os 11.2.4-h6 11.2.4-h6.x
paloaltonetworks / pan-os 11.2.4-h7 11.2.4-h7.x
paloaltonetworks / pan-os 11.2.4-h8 11.2.4-h8.x
paloaltonetworks / pan-os 11.2.4-h9 11.2.4-h9.x
paloaltonetworks / pan-os 11.2.7 11.2.7.x
paloaltonetworks / pan-os 11.2.7-h1 11.2.7-h1.x
paloaltonetworks / pan-os 11.2.7-h2 11.2.7-h2.x
paloaltonetworks / pan-os 11.2.7-h3 11.2.7-h3.x
paloaltonetworks / pan-os 11.2.7-h4 11.2.7-h4.x
paloaltonetworks / pan-os 11.2.7-h7 11.2.7-h7.x
paloaltonetworks / pan-os 11.2.10 11.2.10.x
paloaltonetworks / pan-os 11.2.10-h1 11.2.10-h1.x
paloaltonetworks / pan-os 12.1.2 12.1.2.x
paloaltonetworks / pan-os 12.1.3 12.1.3.x
paloaltonetworks / pan-os 12.1.3-h1 12.1.3-h1.x
paloaltonetworks / pan-os 10.1.0 10.1.14
paloaltonetworks / pan-os 10.2.0 10.2.7
paloaltonetworks / pan-os 10.2.8 10.2.10
paloaltonetworks / pan-os 10.2.11 10.2.13
paloaltonetworks / pan-os 10.2.14 10.2.16
paloaltonetworks / pan-os 11.1.0 11.1.4
paloaltonetworks / pan-os 11.1.5 11.1.6
paloaltonetworks / pan-os 11.1.7 11.1.10
paloaltonetworks / pan-os 11.1.11 11.1.13
paloaltonetworks / pan-os 11.2.0 11.2.4
paloaltonetworks / pan-os 11.2.5 11.2.7
paloaltonetworks / pan-os 11.2.8 11.2.10
paloaltonetworks / pan-os 11.1.4-h16 11.1.4-h16.x
paloaltonetworks / pan-os 11.1.6-h5 11.1.6-h5.x
paloaltonetworks / pan-os 11.2.4-h14 11.2.4-h14.x