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Vulnerability · Published Jul 9, 2026 · Assigned by palo_alto

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

Low 1.7

In plain English

A low-severity security flaw in Cloud NGFW from Palo Alto Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities).

Severity (CVSS 4.0)1.7Low
Exploit odds (30 days)0.3%top 72.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Palo Alto Networks Cloud NGFW see references
Palo Alto Networks PAN-OS 12.1.0 – before 12.1.811.2.0 – before 11.2.1311.1.0 – before 11.1.1610.2.0 – before 10.2.18-h8
Palo Alto Networks Panorama see references
Palo Alto Networks Prisma Access 11.2.0 – before 11.2.7-h1810.2.0 – before 10.2.10-h39

Weakness: CWE-131 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/AU:Y/V:D/RE:M/U:Amber

References