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
Affected Vendors & Products
References
| Link | Providers |
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| https://security.paloaltonetworks.com/CVE-2026-0259 |
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History
Wed, 13 May 2026 19:30:00 +0000
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Wed, 13 May 2026 18:30:00 +0000
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| 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. | |
| Title | WildFire WF-500 and WF-500-B: Arbitrary File Read and Delete Vulnerability in WildFire Appliance (WF-500, WF-500-B) | |
| First Time appeared |
Palo Alto Networks
Palo Alto Networks wildfire Wf-500 And Wf-500-b |
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| Weaknesses | CWE-73 | |
| CPEs | cpe:2.3:a:palo_alto_networks:wildfire_wf-500_and_wf-500-b:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Palo Alto Networks
Palo Alto Networks wildfire Wf-500 And Wf-500-b |
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| References |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: palo_alto
Published:
Updated: 2026-05-13T18:57:18.638Z
Reserved: 2025-11-03T20:44:19.922Z
Link: CVE-2026-0259
Updated: 2026-05-13T18:57:10.236Z
Status : Received
Published: 2026-05-13T19:17:01.873
Modified: 2026-05-13T19:17:01.873
Link: CVE-2026-0259
No data.