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

Read the record on cve.org

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

CVSSScoreVectorSource
4.01.7 LowCVSS: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:Amberpalo_alto

Weaknesses

  • CWE-131 Incorrect Calculation of Buffer Size

Affected Products

ProductVersions
Cloud NGFWPalo Alto Networks
  • AllNot affected
PAN-OSPalo Alto Networks
  • 12.1.0 to before 12.1.8Affectedfrom 12.1.8Not affectedfrom 12.1.7-h2Not affectedfrom 12.1.4-h8Not affected
  • 11.2.0 to before 11.2.13Affectedfrom 11.2.13Not affectedfrom 11.2.10-h11Not affectedfrom 11.2.7-h18Not affectedfrom 11.2.4-h20Not affected
  • 11.1.0 to before 11.1.16Affectedfrom 11.1.16Not affectedfrom 11.1.13-h9Not affectedfrom 11.1.10-h30Not affectedfrom 11.1.7-h8Not affectedfrom 11.1.6-h35Not affectedfrom 11.1.4-h35Not affected
  • 10.2.0 to before 10.2.18-h8Affectedfrom 10.2.18-h8Not affectedfrom 10.2.16-h9Not affectedfrom 10.2.13-h23Not affectedfrom 10.2.10-h39Not affectedfrom 10.2.7-h36Not affected
PanoramaPalo Alto Networks
  • AllNot affected
Prisma AccessPalo Alto Networks
  • 11.2.0 to before 11.2.7-h18Affectedfrom 11.2.7-h18Not affected
  • 10.2.0 to before 10.2.10-h39Affectedfrom 10.2.10-h39Not affected

References

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