Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Paloaltonetworks | Pan-Os | < 10.2.7 |
| Paloaltonetworks | Wf-500 | - |
| Paloaltonetworks | Wf-500-B | - |
Related Weaknesses (CWE)
References
- https://security.paloaltonetworks.com/CVE-2026-0259Vendor Advisory
FAQ
What is CVE-2026-0259?
CVE-2026-0259 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 vulnerabilit...
How severe is CVE-2026-0259?
CVE-2026-0259 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-0259?
Check the references section above for vendor advisories and patch information. Affected products include: Paloaltonetworks Pan-Os, Paloaltonetworks Wf-500, Paloaltonetworks Wf-500-B.