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CVE-2026-0227
Published: Jan 15, 2026
Modified: Jan 30, 2026
PUBLISHED
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.
| Vendor | Product | Versions |
|---|---|---|
Palo Alto Networks | Cloud NGFW | unaffected All |
Palo Alto Networks | PAN-OS | affected 12.1.2 - < 12.1.4, 12.1.3-h3affected 11.2.0 - < 11.2.10-h2, 11.2.7-h8, 11.2.4-h15affected 11.1.0 - < 11.1.13, 11.1.10-h9, 11.1.6-h23, 11.1.4-h27affected 10.2.0 - < 10.2.18-h1, 10.2.16-h6, 10.2.13-h18, 10.2.10-h30, 10.2.7-h32affected 10.1.0 - < 10.1.14-h20 |
Palo Alto Networks | Prisma Access | affected 11.2 - < 11.2.7-h8affected 10.2 - < 10.2.10-h29, 10.2.4-h43 |
Weaknesses (CWE)
References
https://security.paloaltonetworks.com/CVE-2026-0227
vendor-advisory
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