CVE-2026-0259: Palo Alto Networks PAN-OS

High severity, CVSS 8.8. EPSS: 0.3% chance of exploitation in the next 30 days.

An arbitrary File Read and Delete Vulnerability in Palo Alto Networks WildFire® WF-500 and WF-500-B appliances enables users to read sensitive information and delete arbitrary files. This vulnerability affects WF-500 and WF-500-B appliances running in the default non-FIPS configuration mode. The WildFire Appliance (WF-500, WF-500-B) software update is now available to customers that use the WildFire Appliance (WF-500, WF-500-B) for on-premise sandboxing. Please note that customers using the WildFire Public cloud service are NOT impacted by this vulnerability.

Affected products

• Palo Alto Networks PAN-OS: before 10.2.7 (fixed in 10.2.7); from 10.2.8, before 10.2.10 (fixed in 10.2.10); from 10.2.11, before 10.2.13 (fixed in 10.2.13); from 10.2.14, before 10.2.16 (fixed in 10.2.16); version 10.2.7 only; version 10.2.10 only; …

Published 2026-05-13. Last modified 2026-07-14.