Medium6.3Vendor: LowPalo Alto Networks
CVE-2026-0280 PAN-OS: IPv6 Firewall Policy Bypass
CVE-2026-0280 Published Jul 8, 2026
CVE-2026-0280
Affected products & platforms
Palo Alto NetworksPAN-OSFirewall
Summary
CVE-2026-0280 PAN-OS: IPv6 Firewall Policy Bypass
Affected versions
- PAN-OS < 12.1.8
- PAN-OS < 11.2.13
- PAN-OS < 11.1.16
- PAN-OS < 10.2.18-h8
- Prisma Access < 11.2.7-h18
- Prisma Access < 10.2.10-h39
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Fixed versions
- PAN-OS >= 12.1.8
- PAN-OS >= 12.1.7-h2
- PAN-OS >= 12.1.4-h8
- PAN-OS >= 11.2.13
- PAN-OS >= 11.2.10-h11
- PAN-OS >= 11.2.7-h18
- PAN-OS >= 11.2.4-h20
- PAN-OS >= 11.1.16
- PAN-OS >= 11.1.13-h9
- PAN-OS >= 11.1.10-h30
- PAN-OS >= 11.1.7-h8
- PAN-OS >= 11.1.6-h35
- PAN-OS >= 11.1.4-h35
- PAN-OS >= 10.2.18-h8
- PAN-OS >= 10.2.16-h9
- PAN-OS >= 10.2.13-h23
- PAN-OS >= 10.2.10-h39
- PAN-OS >= 10.2.7-h36
- Prisma Access >= 11.2.7-h18
- Prisma Access >= 10.2.10-h39
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- VersionMinor VersionSuggested SolutionCloud NGFWNo action needed.
- PAN-OS 12.1 12.1.5 through 12.1.7-h* Upgrade to 12.1.7-h2 or 12.1.8 or later. 12.1.2 through 12.1.4-h* Upgrade to 12.1.4-h8 or 12.1.8 or later.
Temporary workarounds
- The only way to completely address this vulnerability is to upgrade to a fixed version.
- However, if operationally feasible for your environment, risk can be mitigated by enabling the default "Non SYN TCP Reject" setting via the following command:
- set deviceconfig setting session tcp-reject-non-syn yes
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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