CVE-2026-0259 (GCVE-0-2026-0259)
Vulnerability from cvelistv5 – Published: 2026-05-13 18:05 – Updated: 2026-05-13 18:57
VLAI?
Title
WildFire WF-500 and WF-500-B: Arbitrary File Read and Delete Vulnerability in WildFire Appliance (WF-500, WF-500-B)
Summary
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.
Severity ?
CWE
- CWE-73 - External Control of File Name or Path
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://security.paloaltonetworks.com/CVE-2026-0259 | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Palo Alto Networks | WildFire WF-500 and WF-500-B |
Affected:
12.1.0 , < 12.1.7, 12.1.4-h5
(custom)
Affected: 11.2.0 , < 11.2.11,11.2.7-h7 (custom) Affected: 11.1.0 , < 11.1.13,11.1.10-h8 (custom) Affected: 10.2.0 , < 10.2.18-h6, 10.2.16-h7, 10.2.13-h21, 10.2.10-h36, 10.2.7-h34 (custom) |
Date Public ?
2026-05-13 16:00
Credits
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\"product\": \"WildFire WF-500 and WF-500-B\", \"versions\": [{\"status\": \"affected\", \"changes\": [{\"at\": \"12.1.7\", \"status\": \"unaffected\"}, {\"at\": \"12.1.4-h5\", \"status\": \"unaffected\"}], \"version\": \"12.1.0\", \"lessThan\": \"12.1.7, 12.1.4-h5\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"changes\": [{\"at\": \"11.2.12\", \"status\": \"unaffected\"}, {\"at\": \"11.2.10-h6\", \"status\": \"unaffected\"}, {\"at\": \"11.2.7-h13\", \"status\": \"unaffected\"}, {\"at\": \"11.2.4-h17\", \"status\": \"unaffected\"}], \"version\": \"11.2.0\", \"lessThan\": \"11.2.11,11.2.7-h7\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"changes\": [{\"at\": \"11.1.15\", \"status\": \"unaffected\"}, {\"at\": \"11.1.13-h5\", \"status\": \"unaffected\"}, {\"at\": \"11.1.10-h25\", \"status\": \"unaffected\"}, {\"at\": \"11.1.7-h6\", \"status\": \"unaffected\"}, {\"at\": \"11.1.6-h32\", \"status\": \"unaffected\"}, {\"at\": \"11.1.4-h33\", \"status\": 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"dataType": "CVE_RECORD",
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}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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