CVE-2026-0321
PAN-OS: Denial of Service (DoS) Vulnerabilities in Network Services
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
Denial of service vulnerabilities in Palo Alto Networks PAN-OS® software allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition by sending specially crafted network traffic to or through a dataplane interface. Repeated attempts to trigger this condition result in the firewall entering maintenance mode. Cloud NGFW and Panorama are not affected by this vulnerability.
| CWE | CWE-754 |
| Vendor | palo alto networks |
| Product | cloud ngfw |
| Published | Oct 14, 2026 |
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Affected Versions
Palo Alto Networks / Cloud NGFW
All versions affected Palo Alto Networks / PAN-OS
12.2.0 < 12.2.4 12.1.0 < 12.1.10-h2 11.2.0 < 11.2.16 11.1.0 < 11.1.16-h3 10.2.0 < 10.2.18-h12
Palo Alto Networks / Prisma Access
12.1.0 < 12.1.7-h8 11.2.0 < 11.2.7-h21 10.2.0 < 10.2.10-h41
References
Credits
Ben Nott (internal reporter)