CVE-2026-0280
PAN-OS: IPv6 Firewall Policy Bypass
- State
- Published
- Severity
- 1.7 Low
- Published
- Jul 9, 2026
- Updated
- Oct 15, 2026
- Reserved
- Nov 3, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 1.7 Low | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/AU:Y/V:D/RE:M/U:Amber | palo_alto |
Weaknesses
- CWE-131 Incorrect Calculation of Buffer Size
Affected Products
| Product | Versions |
|---|---|
Cloud NGFWPalo Alto Networks |
|
PAN-OSPalo Alto Networks |
|
PanoramaPalo Alto Networks |
|
Prisma AccessPalo Alto Networks |
|
References
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