CVE-2026-0259

HighCVSS 8.8/10Last modified Jul 14, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-73

Affected software

No affected versions have been published.

Timeline

Published
May 13, 2026
Last modified
Jul 14, 2026
NVD status
Analyzed

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