CVE-2026-0259
WildFire WF-500 and WF-500-B: Arbitrary File Read and Delete Vulnerability in WildFire Appliance (WF-500, WF-500-B)
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.
Weakness: CWE-73
Affected products
| Vendor | Product | Category | Matched by |
|---|
No product mapping yet — this CVE is pending taxonomy review.
Vendor-reported affected versions (1)
- Palo Alto Networks · WildFire WF-500 and WF-500-B
Credit
Palo Alto Networks thanks our internal security research teams for discovering and reporting this issue.
Vendor remediation
VERSION MINOR VERSION RANGE SUGGESTED SOLUTION WildFire WF-500 and WF-500-B 12.1 12.1.5 through 12.1.6 Upgrade to 12.1.7 or later. 12.1.2 through 12.1.4-h* Upgrade to 12.1.4-h5 or 12.1.7 or later. WildFire WF-500 and WF-500-B 11.2 11.2.11 or later Upgrade to 11.2.12 or later. 11.2.8 through 11.2.10-h* Upgrade to 11.2.10-h6 or 11.2.12 or later. 11.2.5 through 11.2.7-h* Upgrade to 11.2.7-h13 or 11.2.12 or later. 11.2.0 through 11.2.4-h* Upgrade to 11.2.4-h17 or 11.2.12 or later. WildFire WF-500 and WF-500-B 11.1 11.1.14 or later Upgrade to 11.1.15 or later. 11.1.11 through 11.1.13-h* Upgrade to 11.1.13-h5 or 11.1.15 or later. 11.1.8 through 11.1.10-h* Upgrade to 11.1.10-h25 or 11.1.15 or later. 11.1.7 through 11.1.7-h* Upgrade to 11.1.7-h6 or 11.1.15 or later. 11.1.5 through 11.1.6-h* Upgrade to 11.1.6-h32 or 11.1.15 or later. 11.1.0 through 11.1.4-h* Upgrade to 11.1.4-h33 or 11.1.15 or later. WildFire WF-500 and WF-500-B 10.2 10.2.17 through 10.2.18-h* Upgrade to 10.2.18-h6 or later. 10.2.14 through 10.2.16-h* Upgrade to 10.2.16-h7 or 10.2.18-h6 or later. 10.2.11 through 10.2.13-h* Upgrade to 10.2.13-h21 or 10.2.18-h6 or later. 10.2.8 through 10.2.10-h* Upgrade to 10.2.10-h36 or 10.2.18-h6 or later. 10.2.0 through 10.2.7-h* Upgrade to 10.2.7-h34 or 10.2.18-h6 or later. WildFire WF-500 and WF-500-B 10.1 All (EoL) No fix planned. Upgrade to a supported version.