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CVE-2026-0259 WildFire WF-500 and WF-500-B: Arbitrary File Read and Delete Vulnerability in WildFire Appliance (WF-500, WF-500-B) — CVE-2026-0259

Palo Alto · Palo Alto Networks · CVE-2026-0259

ID
CVE-2026-0259
Date
Activity
Source
Palo Alto
Vendor
Palo Alto Networks
Threat
medium

Summary

CVE-2026-0259 is a advisory from Palo Alto. CVE-2026-0259 WildFire WF-500 and WF-500-B: Arbitrary File Read and Delete Vulnerability in WildFire Appliance (WF-500, WF-500-B) Vendor: Palo Alto Networks. Severity/Threat: medium.

Product

WildFire WF

What to do

General, cautious steps (verify details in the official source):

  • Review exposure and plan remediation based on risk and environment.
  • Identify affected product versions in your inventory and verify whether you are impacted.
  • Apply vendor patches/updates or recommended mitigations as soon as available.
  • Read the official advisory for exact affected versions and remediation steps.

Official advisory

Related advisories

Palo Alto Networks Palo Alto 2026-W22