CVE-2026-0331: PAN-OS: Sensitive Information Disclosure Vulnerability (Severity: MEDIUM)

Published Nov 11, 2026
·
Updated

An information disclosure vulnerability in Palo Alto Networks PAN-OS® software enables an unauthenticated remote attacker with network access to obtain sensitive firewall and session information by sending traffic to or through a dataplane interface.

Panorama is not affected by this vulnerability.

Affected Software

3 affected componentsFixes available
Palo Alto Networks Cloud NGFW
Palo Alto Networks PAN-OS<12.2.4-h2, =12.2.0, <12.1.10-h4, =12.1.0, <11.2.16-h2, =11.2.0, <11.1.16-h5, =11.1.0, <10.2.18-h14, =10.2.0
12.2.4-h212.1.10-h412.1.7-h1212.1.4-h1411.2.16-h211.2.13-h511.2.10-h1811.2.7-h2411.2.4-h2411.1.16-h511.1.13-h1711.1.10-h3711.1.7-h1311.1.6-h4111.1.4-h3910.2.18-h1410.2.16-h1310.2.13-h2810.2.10-h4310.2.7-h40
Palo Alto Networks Prisma Access<12.1.10-h4, =12.1.0, <11.2.7-h24, =11.2.0, <10.2.10-h43, =10.2.0
12.1.10-h411.2.7-h2410.2.10-h43

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 12.2.4-h2Fixed in 12.1.10-h4Fixed in 12.1.7-h12Fixed in 12.1.4-h14Fixed in 11.2.16-h2Fixed in 11.2.13-h5Fixed in 11.2.10-h18Fixed in 11.2.7-h24Fixed in 11.2.4-h24Fixed in 11.1.16-h5Fixed in 11.1.13-h17Fixed in 11.1.10-h37Fixed in 11.1.7-h13Fixed in 11.1.6-h41Fixed in 11.1.4-h39Fixed in 10.2.18-h14Fixed in 10.2.16-h13Fixed in 10.2.13-h28Fixed in 10.2.10-h43Fixed in 10.2.7-h40
  2. Upgrade

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

    Fixed in 12.1.10-h4Fixed in 11.2.7-h24Fixed in 10.2.10-h43
  3. Upgrade

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

    Fixed in 10.2.7-h40
  4. Upgrade

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

    Fixed in 10.2.18-h14
  5. Upgrade

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

    Fixed in 10.2.13-h28
  6. Upgrade

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

    Fixed in 10.2.16-h13
  7. Upgrade

    Upgrade PAN-OS and Prisma Access to a version that resolves this vulnerability.

    Fixed in 10.2.10-h43
  8. Upgrade

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

    Fixed in 11.1.4-h39
  9. Upgrade

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

    Fixed in 11.1.16-h5
  10. Upgrade

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

    Fixed in 11.1.13-h17
  11. Upgrade

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

    Fixed in 11.1.6-h41
  12. Upgrade

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

    Fixed in 11.1.7-h13
  13. Upgrade

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

    Fixed in 11.1.10-h37
  14. Upgrade

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

    Fixed in 11.2.4-h24
  15. Upgrade

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

    Fixed in 11.2.16-h2
  16. Upgrade

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

    Fixed in 11.2.13-h5
  17. Upgrade

    Upgrade PAN-OS and Prisma Access to a version that resolves this vulnerability.

    Fixed in 11.2.7-h24
  18. Upgrade

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

    Fixed in 11.2.10-h18
  19. Upgrade

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

    Fixed in 12.1.4-h14
  20. Upgrade

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

    Fixed in 12.1.7-h12
  21. Upgrade

    Upgrade PAN-OS and Prisma Access to a version that resolves this vulnerability.

    Fixed in 12.1.10-h4
  22. Upgrade

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

    Fixed in 12.2.4-h2

Event History

Nov 11, 2026
Advisory Published
via Palo Alto Networks·05:00 PM
Data Sourced
via Palo Alto Networks·05:00 PM
RemedyDescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·07:35 PM
Data Sourced
via MITRE·07:35 PM
DescriptionWeakness
Data Sourced
via NVD·08:17 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

Which deployments are exposed to this issue?

PAN-OS deployments are exposed when an attacker has network access to a dataplane interface. The listed affected software also includes Palo Alto Networks Cloud NGFW and Prisma Access; Panorama is not affected.

2

Does exploitation require authentication or user interaction?

No. An unauthenticated remote attacker can exploit the issue, and the provided vector indicates no privileges or user interaction are required.

3

What access does an attacker need?

The attacker needs network access and must be able to send traffic to or through a dataplane interface. The vulnerability can disclose sensitive firewall and session information.

Company

Resources

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