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Palo Alto Networks Security AdvisoriesCVE-2026-0280

CVE-2026-0280: PAN-OS: IPv6 Firewall Policy Bypass

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.

Read the vendor bulletin Get alerts for Cloud NGFW
6.3CVSS out of 10Medium severity
Scope

What the vendor says is affected

  • Cloud NGFW
  • PAN-OS
  • Panorama
  • Prisma Access
  • PAN-OS 12.1
  • PAN-OS 11.2
  • PAN-OS 11.1
  • PAN-OS 10.2
  • Prisma Access 11.2.0
  • Prisma Access 10.2.0

Versions the vendor lists as fixed

  • Cloud NGFW All
  • PAN-OS 12.1 >= 12.1.4-h8, >= 12.1.7-h2, >= 12.1.8
  • PAN-OS 11.2 >= 11.2.4-h20, >= 11.2.7-h18, >= 11.2.10-h11, >= 11.2.13
  • PAN-OS 11.1 >= 11.1.4-h35, >= 11.1.6-h35, >= 11.1.7-h8, >= 11.1.10-h30, >= 11.1.13-h9, >= 11.1.16
  • PAN-OS 10.2 >= 10.2.7-h36, >= 10.2.10-h39, >= 10.2.13-h23, >= 10.2.16-h9, >= 10.2.18-h8
  • Panorama All
  • Prisma Access 11.2.0 >= 11.2.7-h18*
  • Prisma Access 10.2.0 >= 10.2.10-h39*
Next step

What the vendor recommends

VERSION MINOR VERSION SUGGESTED SOLUTION Cloud NGFW No 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. PAN-OS 11.2 11.2.11 through 11.2.12 Upgrade to 11.2.13 or later. 11.2.8 through 11.2.10-h* Upgrade to 11.2.10-h11 or 11.2.13 or later. 11.2.5 through 11.2.7-h* Upgrade to 11.2.7-h18 or 11.2.13 or later. 11.2.0 through 11.2.4-h* Upgrade to 11.2.4-h20 or 11.2.13 or later. PAN-OS 11.1 11.1.14 through 11.1.15 Upgrade to 11.1.16 or later. 11.1.11 through 11.1.13-h* Upgrade to 11.1.13-h9 or 11.1.16 or later. 11.1.8 through 11.1.10-h* Upgrade to 11.1.10-h30 or 11.1.16 or later. 11.1.7 through 11.1.7-h* Upgrade to 11.1.7-h8 or 11.1.16 or later. 11.1.5 through 11.1.6-h* Upgrade to 11.1.6-h35 or 11.1.16 or later. 11.1.0 through 11.1.4-h* Upgrade to 11.1.4-h35 or 11.1.16 or later. PAN-OS 10.2 10.2.17 through 10.2.18-h* Upgrade to 10.2.18-h8 or later. 10.2.14 through 10.2.16-h* Upgrade to 10.2.16-h9 or later. 10.2.11 through 10.2.13-h* Upgrade to 10.2.13-h23 or later. 10.2.8 through 10.2.10-h* Upgrade to 10.2.10-h39 or later. 10.2.0 through 10.2.7-h* Upgrade to 10.2.7-h36 or later. All older Upgrade to a supported fixed version. unsupported PAN-OS versions Prisma Access 11.2 11.2.0 through 11.2.7 Upgrade to 11.2.7-h18 or later.* Prisma Access 10.2 10.2.0 through 10.2.10 Upgrade to 10.2.10-h39 or later.* * See the note under Product Status for information regarding Prisma Access upgrades.

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Timeline

When this advisory changed

  1. Published by Palo Alto Networks

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory

CVE-2026-0280View CVSS, KEV, EPSS, and threat context
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