CVE-2026-0280

An IPv6 packet processing vulnerability in the dataplane of Palo Alto Networks PAN-OS® software enables an unauthenticated attacker to bypass firewall security policy enforcement, allowing network traffic that should be blocked to reach protected services. Cloud NGFW and Panorama are not impacted by this vulnerability.

Score

CVSS 3.1 7.2 High

Status

Modified - psirt@paloaltonetworks.com

Published

2026-07-09

Last modified

2026-10-15

Weaknesses

CWE-131

Affected products

• Pan-os (Palo Alto Networks)
• Prisma Access (Palo Alto Networks)
• Pan-os (Paloaltonetworks)
• Ruggedcom Ape1808 (Siemens)

References

• https://security.paloaltonetworks.com/CVE-2026-0280
• https://cert-portal.siemens.com/productcert/html/ssa-104023.html