Information Disclosure in Palo Alto Networks PAN-OS Software
CVE-2026-0331

4.6MEDIUM

Key Information:

Vendor

Palo Alto Networks
Status
Cloud Ngfw
Pan-os
Prisma Access
Vendor
CVE Published:
11 November 2026

Badges

👾 Exploit Exists

What is CVE-2026-0331?

An information disclosure vulnerability exists in Palo Alto Networks PAN-OS software, allowing unauthenticated remote attackers with network access to exploit this flaw. By sending specially crafted traffic to or through a dataplane interface, attackers may obtain sensitive firewall and session information, potentially compromising the security and integrity of the networked environment. It is crucial for organizations using affected PAN-OS versions to review their configurations and implement appropriate security measures to mitigate the risk associated with this vulnerability.

Affected Version(s)

Cloud NGFW All

PAN-OS 12.2.0 < 12.2.4-h2

PAN-OS 12.1.0 < 12.1.10-h4

References

https://security.paloaltonetworks.com/CVE-2026-0331
vendor-advisory

CVSS V4

Score:
4.6
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

OpenAI
Rotem Bar (internal reporter)
.