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

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

Low

Integrity

Low

Availability

None

Scope

Changed

Exploitation

Is it being used?

Exploit prediction (EPSS)0.3% · higher than 27% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

PA

PAN-OS · Palo Alto Networks

12.1.0 before 12.1.8; 11.2.0 before 11.2.13; 11.1.0 before 11.1.16; 10.2.0 before 10.2.18-h8 · source: vendor, NVD

PA

Prisma Access · Palo Alto Networks

11.2.0 before 11.2.7-h18; 10.2.0 before 10.2.10-h39 · source: vendor

RA

RUGGEDCOM APE1808 · Siemens

0 · source: CISA