Vulnerability in Palo Alto Networks Wildfire Wf-500 And Wf-500-b

CVE-2026-0259

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 appliance…

EPSS: 0.003 (25.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-0259?
CVE-2026-0259 is a high-severity vulnerability in Palo Alto Networks Wildfire Wf-500 And Wf-500-b, classified under External Control of File Name or Path. CVSS score: 8.8/10. Published 2026-05-13.
How severe is CVE-2026-0259?
High severity. CVSS v3 base score is 8.8 out of 10.