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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)

Severity
High8.8CVSS 3.1, High
Known exploited
Not listed
Exploit prediction
0.34%
Published
13 May 2026Updated 14 Jul 2026 · Last verified 28 Sept 2026

Description

Title, description and vendor guidance are quoted from the source records.

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

Known exploited

Not listed in CISA KEV as of the last check.

Exploit prediction

0.34% probability of exploitation in the next 30 days (percentile 24%).

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

Affected products

Patcharo shows this vulnerability for information but does not match versions for this product yet.

  • Palo Alto Networks WildFire WF-500 and WF-500-B · 12.1.0 < 12.1.7, 12.1.4-h5, 11.2.0 < 11.2.11,11.2.7-h7, 11.1.0 < 11.1.13,11.1.10-h8, 10.2.0 < 10.2.18-h6, 10.2.16-h7, 10.2.13-h21, 10.2.10-h36, 10.2.7-h34

References

Provenance

Every fact on this page comes from the sources below. Nothing is written by an AI.

Palo Alto Networks (CVE record)
Palo Alto Networks (CVE record) · 28 Sept 2026 at 21:17 UTC · Parser patcharo-cve5/1.1.0
NVD
NVD · 27 Sept 2026 at 23:44 UTC · Parser patcharo-nvd/1.0.0
FIRST EPSS
FIRST EPSS · 30 Sept 2026 at 00:17 UTC · Parser patcharo-epss/1.0.0

Last verified: 28 Sept 2026 at 21:17 UTC