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OpenAdvisories
Low · 1.7 CVE-2026-0280 EUVD-2026-42681GHSA-g5c5-368c-hr8j

PAN-OS: IPv6 Firewall Policy Bypass

Published Jul 9, 2026 · Updated Nov 10, 2026 · Assigned by palo_alto

Description

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.

Affected products

VendorProductAffectedFixed
Palo Alto Networks Cloud NGFW — All
Palo Alto Networks PAN-OS 12.1.0 – < 12.1.8, 11.2.0 – < 11.2.13, 11.1.0 – < 11.1.16, 10.2.0 – < 10.2.18-h8 12.1.8
Palo Alto Networks Panorama — All
Palo Alto Networks Prisma Access 11.2.0 – < 11.2.7-h18, 10.2.0 – < 10.2.10-h39 11.2.7-h18

Advisories 3

References