CVE-2026-0280: PAN-OS: IPv6 Firewall Policy Bypass (Severity: LOW)

Published Jul 8, 2026
·
Updated

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 Software

208 affected componentsFixes available
Palo Alto Networks PAN-OS
Palo Alto Networks Cloud NGFW
Palo Alto Networks PAN-OS<12.1.8, =12.1.0, <11.2.13, =11.2.0, <11.1.16, =11.1.0, <10.2.18-h8, =10.2.0
12.1.812.1.7-h212.1.4-h811.2.1311.2.10-h1111.2.7-h1811.2.4-h2011.1.1611.1.13-h911.1.10-h3011.1.7-h811.1.6-h3511.1.4-h3510.2.18-h810.2.16-h910.2.13-h2310.2.10-h3910.2.7-h36
Palo Alto Networks Panorama
Palo Alto Networks Prisma Access<11.2.7-h18, =11.2.0, <10.2.10-h39, =10.2.0
11.2.7-h1810.2.10-h39
Palo Alto Networks PAN-OS>=10.2.0<10.2.7
Palo Alto Networks PAN-OS>=10.2.8<10.2.10
Palo Alto Networks PAN-OS>=10.2.11<10.2.13
Palo Alto Networks PAN-OS>=10.2.14<10.2.16
Palo Alto Networks PAN-OS=10.2.7
Palo Alto Networks PAN-OS=10.2.7-h1
Palo Alto Networks PAN-OS=10.2.7-h10
Palo Alto Networks PAN-OS=10.2.7-h11
Palo Alto Networks PAN-OS=10.2.7-h12
Palo Alto Networks PAN-OS=10.2.7-h13
Palo Alto Networks PAN-OS=10.2.7-h14
Palo Alto Networks PAN-OS=10.2.7-h15
Palo Alto Networks PAN-OS=10.2.7-h16
Palo Alto Networks PAN-OS=10.2.7-h17
Palo Alto Networks PAN-OS=10.2.7-h18
Palo Alto Networks PAN-OS=10.2.7-h19
Palo Alto Networks PAN-OS=10.2.7-h2
Palo Alto Networks PAN-OS=10.2.7-h20
Palo Alto Networks PAN-OS=10.2.7-h21
Palo Alto Networks PAN-OS=10.2.7-h22
Palo Alto Networks PAN-OS=10.2.7-h23
Palo Alto Networks PAN-OS=10.2.7-h24
Palo Alto Networks PAN-OS=10.2.7-h3
Palo Alto Networks PAN-OS=10.2.7-h32
Palo Alto Networks PAN-OS=10.2.7-h34
Palo Alto Networks PAN-OS=10.2.7-h35
Palo Alto Networks PAN-OS=10.2.7-h4
Palo Alto Networks PAN-OS=10.2.7-h5
Palo Alto Networks PAN-OS=10.2.7-h6
Palo Alto Networks PAN-OS=10.2.7-h7
Palo Alto Networks PAN-OS=10.2.7-h8
Palo Alto Networks PAN-OS=10.2.7-h9
Palo Alto Networks PAN-OS=10.2.10
Palo Alto Networks PAN-OS=10.2.10-h1
Palo Alto Networks PAN-OS=10.2.10-h10
Palo Alto Networks PAN-OS=10.2.10-h11
Palo Alto Networks PAN-OS=10.2.10-h12
Palo Alto Networks PAN-OS=10.2.10-h13
Palo Alto Networks PAN-OS=10.2.10-h14
Palo Alto Networks PAN-OS=10.2.10-h17
Palo Alto Networks PAN-OS=10.2.10-h18
Palo Alto Networks PAN-OS=10.2.10-h2
Palo Alto Networks PAN-OS=10.2.10-h21
Palo Alto Networks PAN-OS=10.2.10-h27
Palo Alto Networks PAN-OS=10.2.10-h3
Palo Alto Networks PAN-OS=10.2.10-h30
Palo Alto Networks PAN-OS=10.2.10-h31
Palo Alto Networks PAN-OS=10.2.10-h36
Palo Alto Networks PAN-OS=10.2.10-h37
Palo Alto Networks PAN-OS=10.2.10-h4
Palo Alto Networks PAN-OS=10.2.10-h5
Palo Alto Networks PAN-OS=10.2.10-h6
Palo Alto Networks PAN-OS=10.2.10-h7
Palo Alto Networks PAN-OS=10.2.13
Palo Alto Networks PAN-OS=10.2.13-h1
Palo Alto Networks PAN-OS=10.2.13-h10
Palo Alto Networks PAN-OS=10.2.13-h15
Palo Alto Networks PAN-OS=10.2.13-h16
Palo Alto Networks PAN-OS=10.2.13-h18
Palo Alto Networks PAN-OS=10.2.13-h2
Palo Alto Networks PAN-OS=10.2.13-h21
Palo Alto Networks PAN-OS=10.2.13-h22
Palo Alto Networks PAN-OS=10.2.13-h3
Palo Alto Networks PAN-OS=10.2.13-h4
Palo Alto Networks PAN-OS=10.2.13-h5
Palo Alto Networks PAN-OS=10.2.13-h7
Palo Alto Networks PAN-OS=10.2.16
Palo Alto Networks PAN-OS=10.2.16-h1
Palo Alto Networks PAN-OS=10.2.16-h4
Palo Alto Networks PAN-OS=10.2.16-h6
Palo Alto Networks PAN-OS=10.2.16-h7
Palo Alto Networks PAN-OS=10.2.16-h8
Palo Alto Networks PAN-OS=10.2.17
Palo Alto Networks PAN-OS=10.2.18-h1
Palo Alto Networks PAN-OS=10.2.18-h5
Palo Alto Networks PAN-OS=10.2.18-h6
Palo Alto Networks PAN-OS=10.2.18-h7
Palo Alto Networks PAN-OS>=11.1.0<11.1.4
Palo Alto Networks PAN-OS>=11.1.8<11.1.10
Palo Alto Networks PAN-OS>=11.1.11<11.1.13
Palo Alto Networks PAN-OS>=11.1.14<11.1.16
Palo Alto Networks PAN-OS=11.1.4
Palo Alto Networks PAN-OS=11.1.4-h1
Palo Alto Networks PAN-OS=11.1.4-h10
Palo Alto Networks PAN-OS=11.1.4-h11
Palo Alto Networks PAN-OS=11.1.4-h12
Palo Alto Networks PAN-OS=11.1.4-h13
Palo Alto Networks PAN-OS=11.1.4-h15
Palo Alto Networks PAN-OS=11.1.4-h17
Palo Alto Networks PAN-OS=11.1.4-h18
Palo Alto Networks PAN-OS=11.1.4-h2
Palo Alto Networks PAN-OS=11.1.4-h25
Palo Alto Networks PAN-OS=11.1.4-h27
Palo Alto Networks PAN-OS=11.1.4-h3
Palo Alto Networks PAN-OS=11.1.4-h32
Palo Alto Networks PAN-OS=11.1.4-h33
Palo Alto Networks PAN-OS=11.1.4-h34
Palo Alto Networks PAN-OS=11.1.4-h4
Palo Alto Networks PAN-OS=11.1.4-h5
Palo Alto Networks PAN-OS=11.1.4-h6
Palo Alto Networks PAN-OS=11.1.4-h7
Palo Alto Networks PAN-OS=11.1.4-h8
Palo Alto Networks PAN-OS=11.1.4-h9
Palo Alto Networks PAN-OS=11.1.5
Palo Alto Networks PAN-OS=11.1.6
Palo Alto Networks PAN-OS=11.1.6-h1
Palo Alto Networks PAN-OS=11.1.6-h10
Palo Alto Networks PAN-OS=11.1.6-h14
Palo Alto Networks PAN-OS=11.1.6-h17
Palo Alto Networks PAN-OS=11.1.6-h18
Palo Alto Networks PAN-OS=11.1.6-h19
Palo Alto Networks PAN-OS=11.1.6-h2
Palo Alto Networks PAN-OS=11.1.6-h20
Palo Alto Networks PAN-OS=11.1.6-h21
Palo Alto Networks PAN-OS=11.1.6-h22
Palo Alto Networks PAN-OS=11.1.6-h23
Palo Alto Networks PAN-OS=11.1.6-h25
Palo Alto Networks PAN-OS=11.1.6-h29
Palo Alto Networks PAN-OS=11.1.6-h3
Palo Alto Networks PAN-OS=11.1.6-h32
Palo Alto Networks PAN-OS=11.1.6-h33
Palo Alto Networks PAN-OS=11.1.6-h34
Palo Alto Networks PAN-OS=11.1.6-h4
Palo Alto Networks PAN-OS=11.1.6-h6
Palo Alto Networks PAN-OS=11.1.6-h7
Palo Alto Networks PAN-OS=11.1.10
Palo Alto Networks PAN-OS=11.1.10-h1
Palo Alto Networks PAN-OS=11.1.10-h10
Palo Alto Networks PAN-OS=11.1.10-h12
Palo Alto Networks PAN-OS=11.1.10-h21
Palo Alto Networks PAN-OS=11.1.10-h25
Palo Alto Networks PAN-OS=11.1.10-h26
Palo Alto Networks PAN-OS=11.1.10-h27
Palo Alto Networks PAN-OS=11.1.10-h28
Palo Alto Networks PAN-OS=11.1.10-h4
Palo Alto Networks PAN-OS=11.1.10-h5
Palo Alto Networks PAN-OS=11.1.10-h7
Palo Alto Networks PAN-OS=11.1.10-h9
Palo Alto Networks PAN-OS=11.1.13
Palo Alto Networks PAN-OS=11.1.13-h1
Palo Alto Networks PAN-OS=11.1.13-h2
Palo Alto Networks PAN-OS=11.1.13-h3
Palo Alto Networks PAN-OS=11.1.13-h5
Palo Alto Networks PAN-OS=11.1.13-h6
Palo Alto Networks PAN-OS=11.1.13-h7
Palo Alto Networks PAN-OS=11.1.13-h8
Palo Alto Networks PAN-OS>=11.2.0<11.2.4
Palo Alto Networks PAN-OS>=11.2.5<11.2.7
Palo Alto Networks PAN-OS>=11.2.8<11.2.10
Palo Alto Networks PAN-OS>=11.2.11<11.2.13
Palo Alto Networks PAN-OS=11.2.4
Palo Alto Networks PAN-OS=11.2.4-h1
Palo Alto Networks PAN-OS=11.2.4-h10
Palo Alto Networks PAN-OS=11.2.4-h11
Palo Alto Networks PAN-OS=11.2.4-h12
Palo Alto Networks PAN-OS=11.2.4-h14
Palo Alto Networks PAN-OS=11.2.4-h15
Palo Alto Networks PAN-OS=11.2.4-h17
Palo Alto Networks PAN-OS=11.2.4-h18
Palo Alto Networks PAN-OS=11.2.4-h2
Palo Alto Networks PAN-OS=11.2.4-h3
Palo Alto Networks PAN-OS=11.2.4-h4
Palo Alto Networks PAN-OS=11.2.4-h5
Palo Alto Networks PAN-OS=11.2.4-h6
Palo Alto Networks PAN-OS=11.2.4-h7
Palo Alto Networks PAN-OS=11.2.4-h8
Palo Alto Networks PAN-OS=11.2.4-h9
Palo Alto Networks PAN-OS=11.2.7
Palo Alto Networks PAN-OS=11.2.7-h1
Palo Alto Networks PAN-OS=11.2.7-h10
Palo Alto Networks PAN-OS=11.2.7-h11
Palo Alto Networks PAN-OS=11.2.7-h12
Palo Alto Networks PAN-OS=11.2.7-h13
Palo Alto Networks PAN-OS=11.2.7-h14
Palo Alto Networks PAN-OS=11.2.7-h15
Palo Alto Networks PAN-OS=11.2.7-h16
Palo Alto Networks PAN-OS=11.2.7-h17
Palo Alto Networks PAN-OS=11.2.7-h2
Palo Alto Networks PAN-OS=11.2.7-h3
Palo Alto Networks PAN-OS=11.2.7-h4
Palo Alto Networks PAN-OS=11.2.7-h7
Palo Alto Networks PAN-OS=11.2.7-h8
Palo Alto Networks PAN-OS=11.2.10
Palo Alto Networks PAN-OS=11.2.10-h1
Palo Alto Networks PAN-OS=11.2.10-h10
Palo Alto Networks PAN-OS=11.2.10-h2
Palo Alto Networks PAN-OS=11.2.10-h3
Palo Alto Networks PAN-OS=11.2.10-h4
Palo Alto Networks PAN-OS=11.2.10-h5
Palo Alto Networks PAN-OS=11.2.10-h6
Palo Alto Networks PAN-OS=11.2.10-h7
Palo Alto Networks PAN-OS=11.2.10-h8
Palo Alto Networks PAN-OS=11.2.10-h9
Palo Alto Networks PAN-OS>=12.1.2<12.1.4
Palo Alto Networks PAN-OS>=12.1.5<12.1.7
Palo Alto Networks PAN-OS=12.1.4
Palo Alto Networks PAN-OS=12.1.4-h2
Palo Alto Networks PAN-OS=12.1.4-h3
Palo Alto Networks PAN-OS=12.1.4-h5
Palo Alto Networks PAN-OS=12.1.4-h6
Palo Alto Networks PAN-OS=12.1.4-h7
Palo Alto Networks PAN-OS=12.1.7
Palo Alto Networks PAN-OS=12.1.7-h1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 12.1.8Fixed in 12.1.7-h2Fixed in 12.1.4-h8Fixed in 11.2.13Fixed in 11.2.10-h11Fixed in 11.2.7-h18Fixed in 11.2.4-h20Fixed in 11.1.16Fixed in 11.1.13-h9Fixed in 11.1.10-h30Fixed in 11.1.7-h8Fixed in 11.1.6-h35Fixed in 11.1.4-h35Fixed in 10.2.18-h8Fixed in 10.2.16-h9Fixed in 10.2.13-h23Fixed in 10.2.10-h39Fixed in 10.2.7-h36
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 11.2.7-h18Fixed in 10.2.10-h39
  3. Upgrade

    Upgrade Palo Alto Networks PAN-OS to a version that resolves this vulnerability.

    Fixed in 10.2.7-h36
  4. Upgrade

    Upgrade Palo Alto Networks PAN-OS to a version that resolves this vulnerability.

    Fixed in 10.2.13-h23
  5. Upgrade

    Upgrade Palo Alto Networks PAN-OS to a version that resolves this vulnerability.

    Fixed in 10.2.16-h9
  6. Upgrade

    Upgrade Palo Alto Networks PAN-OS to a version that resolves this vulnerability.

    Fixed in 10.2.10-h39
  7. Upgrade

    Upgrade Palo Alto Networks PAN-OS to a version that resolves this vulnerability.

    Fixed in 11.1.4-h35
  8. Upgrade

    Upgrade Palo Alto Networks PAN-OS to a version that resolves this vulnerability.

    Fixed in 11.1.13-h9
  9. Upgrade

    Upgrade Palo Alto Networks PAN-OS to a version that resolves this vulnerability.

    Fixed in 11.1.6-h35
  10. Upgrade

    Upgrade Palo Alto Networks PAN-OS to a version that resolves this vulnerability.

    Fixed in 11.1.7-h8
  11. Upgrade

    Upgrade Palo Alto Networks PAN-OS to a version that resolves this vulnerability.

    Fixed in 11.1.10-h30
  12. Upgrade

    Upgrade Palo Alto Networks PAN-OS to a version that resolves this vulnerability.

    Fixed in 11.2.4-h20
  13. Upgrade

    Upgrade Palo Alto Networks PAN-OS to a version that resolves this vulnerability.

    Fixed in 11.2.7-h18
  14. Upgrade

    Upgrade Palo Alto Networks PAN-OS to a version that resolves this vulnerability.

    Fixed in 11.2.10-h11
  15. Upgrade

    Upgrade Palo Alto Networks PAN-OS to a version that resolves this vulnerability.

    Fixed in 12.1.4-h8
  16. Upgrade

    Upgrade Palo Alto Networks PAN-OS to a version that resolves this vulnerability.

    Fixed in 10.2.18-h8
  17. Upgrade

    Upgrade Palo Alto Networks PAN-OS to a version that resolves this vulnerability.

    Fixed in 11.1.16
  18. Upgrade

    Upgrade Palo Alto Networks PAN-OS to a version that resolves this vulnerability.

    Fixed in 11.2.13
  19. Upgrade

    Upgrade Palo Alto Networks PAN-OS to a version that resolves this vulnerability.

    Fixed in 12.1.7-h2
  20. Upgrade

    Upgrade Prisma Access to a version that resolves this vulnerability.

    Fixed in 10.2.10-h39
  21. Upgrade

    Upgrade Prisma Access to a version that resolves this vulnerability.

    Fixed in 11.2.7-h18
  22. Configuration

    Enable the default "Non SYN TCP Reject" setting via: set deviceconfig setting session tcp-reject-non-syn yes

    PAN-OS deviceconfig (default Non SYN TCP Reject setting) session tcp-reject-non-syn = yes

Event History

Jul 8, 2026
Advisory Published
via Palo Alto Networks·04:00 PM
Data Sourced
via Palo Alto Networks·04:00 PM
RemedyDescriptionSeverityWeaknessAffected Software
Jul 9, 2026
CVE Published
via MITRE·07:05 PM
Data Sourced
via MITRE·07:05 PM
DescriptionWeakness
Data Sourced
via NVD·07:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-0280?

CVE-2026-0280 has a medium severity rating of 6.3.

2

How do I fix CVE-2026-0280?

To fix CVE-2026-0280, ensure that you update your Palo Alto Networks PAN-OS software to the latest version.

3

What are the potential impacts of CVE-2026-0280?

CVE-2026-0280 allows an unauthenticated attacker to bypass firewall policies and access protected services.

4

Which products are affected by CVE-2026-0280?

CVE-2026-0280 affects Palo Alto Networks PAN-OS but not Cloud NGFW or Panorama.

5

Can CVE-2026-0280 be exploited remotely?

Yes, CVE-2026-0280 can be exploited remotely, as it allows unauthorized access to services through IPv6 packets.

Company

Resources

Contact

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