{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-0259", "assignerOrgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0", "state": "PUBLISHED", "assignerShortName": "palo_alto", "dateReserved": "2025-11-03T20:44:19.922Z", "datePublished": "2026-05-13T18:05:45.862Z", "dateUpdated": "2026-05-13T18:57:18.638Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0", "shortName": "palo_alto", "dateUpdated": "2026-05-13T18:05:45.862Z" }, "title": "WildFire WF-500 and WF-500-B: Arbitrary File Read and Delete Vulnerability in WildFire Appliance (WF-500, WF-500-B)", "datePublic": "2026-05-13T16:00:00.000Z", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-73", "description": "CWE-73 External Control of File Name or Path", "type": "CWE" } ] } ], "impacts": [ { "capecId": "CAPEC-597", "descriptions": [ { "lang": "en", "value": "CAPEC-597 Absolute Path Traversal" } ] } ], "affected": [ { "vendor": "Palo Alto Networks", "product": "WildFire WF-500 and WF-500-B", "versions": [ { "status": "affected", "version": "12.1.0", "lessThan": "12.1.7, 12.1.4-h5", "changes": [ { "at": "12.1.7", "status": "unaffected" }, { "at": "12.1.4-h5", "status": "unaffected" } ], "versionType": "custom" }, { "status": "affected", "version": "11.2.0", "lessThan": "11.2.11,11.2.7-h7", "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" } ], "versionType": "custom" }, { "status": "affected", "version": "11.1.0", "lessThan": "11.1.13,11.1.10-h8", "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": "unaffected" } ], "versionType": "custom" }, { "status": "affected", "version": "10.2.0", "lessThan": "10.2.18-h6, 10.2.16-h7, 10.2.13-h21, 10.2.10-h36, 10.2.7-h34", "changes": [ { "at": "10.2.18-h6", "status": "unaffected" }, { "at": "10.2.16-h7", "status": "unaffected" }, { "at": "10.2.13-h21", "status": "unaffected" }, { "at": "10.2.10-h36", "status": "unaffected" }, { "at": "10.2.7-h34", "status": "unaffected" } ], "versionType": "custom" } ], "defaultStatus": "unaffected" } ], "cpeApplicability": [ { "operator": "OR", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:palo_alto_networks:wildfire_wf-500_and_wf-500-b:*:*:*:*:*:*:*:*", "versionStartIncluding": "12.1.0", "versionEndExcluding": "12.1.7_12.1.4-h5" }, { "vulnerable": true, "criteria": "cpe:2.3:a:palo_alto_networks:wildfire_wf-500_and_wf-500-b:*:*:*:*:*:*:*:*", "versionStartIncluding": "11.2.0", "versionEndExcluding": "11.2.11_11.2.7-h7" }, { "vulnerable": true, "criteria": "cpe:2.3:a:palo_alto_networks:wildfire_wf-500_and_wf-500-b:*:*:*:*:*:*:*:*", "versionStartIncluding": "11.1.0", "versionEndExcluding": "11.1.13_11.1.10-h8" }, { "vulnerable": true, "criteria": "cpe:2.3:a:palo_alto_networks:wildfire_wf-500_and_wf-500-b:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.2.0", "versionEndExcluding": "10.2.18-h6_10.2.16-h7_10.2.13-h21_10.2.10-h36_10.2.7-h34" } ] } ] } ], "descriptions": [ { "lang": "en", "value": "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.\n\n\n\nThe 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.\n\n\n\nPlease note that customers using the WildFire Public cloud service are NOT impacted by this vulnerability.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "

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.

" } ] } ], "references": [ { "url": "https://security.paloaltonetworks.com/CVE-2026-0259", "tags": [ "vendor-advisory" ] } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV4_0": { "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "UNREPORTED", "Safety": "NOT_DEFINED", "Automatable": "YES", "Recovery": "USER", "valueDensity": "CONCENTRATED", "vulnerabilityResponseEffort": "MODERATE", "providerUrgency": "AMBER", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 5, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/AU:Y/R:U/V:C/RE:M/U:Amber" } } ], "configurations": [ { "lang": "eng", "value": "No special configuration is required to be affected by this issue.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "No special configuration is required to be affected by this issue." } ] } ], "workarounds": [ { "lang": "eng", "value": "For airgapped deployments, we strongly recommend that you secure WildFire 500 appliances by restricting access to only trusted internal IP addresses.\n\nCustomers with a Threat Prevention subscription can block attacks for this vulnerability by enabling Threat ID 510010 (Applications and Threats content version 9100-10044 and later).\n\n\nPlease note that this Threat ID requires SSL Decryption.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "

For airgapped deployments, we strongly recommend that you secure WildFire 500 appliances by restricting access to only trusted internal IP addresses.

Customers with a Threat Prevention subscription can block attacks for this vulnerability by enabling Threat ID 510010 (Applications and Threats content version 9100-10044 and later).

Please note that this Threat ID requires SSL Decryption.

" } ] } ], "solutions": [ { "lang": "eng", "value": "VERSION MINOR VERSION RANGE SUGGESTED SOLUTION\nWildFire WF-500 and WF-500-B 12.1 12.1.5 through 12.1.6 Upgrade to 12.1.7 or later.\n 12.1.2 through 12.1.4-h* Upgrade to 12.1.4-h5 or 12.1.7 or later.\nWildFire WF-500 and WF-500-B 11.2 11.2.11 or later Upgrade to 11.2.12 or later.\n 11.2.8 through 11.2.10-h* Upgrade to 11.2.10-h6 or 11.2.12 or later.\n 11.2.5 through 11.2.7-h* Upgrade to 11.2.7-h13 or 11.2.12 or later.\n 11.2.0 through 11.2.4-h* Upgrade to 11.2.4-h17 or 11.2.12 or later.\nWildFire WF-500 and WF-500-B 11.1 11.1.14 or later Upgrade to 11.1.15 or later.\n 11.1.11 through 11.1.13-h* Upgrade to 11.1.13-h5 or 11.1.15 or later.\n 11.1.8 through 11.1.10-h* Upgrade to 11.1.10-h25 or 11.1.15 or later.\n 11.1.7 through 11.1.7-h* Upgrade to 11.1.7-h6 or 11.1.15 or later.\n 11.1.5 through 11.1.6-h* Upgrade to 11.1.6-h32 or 11.1.15 or later.\n 11.1.0 through 11.1.4-h* Upgrade to 11.1.4-h33 or 11.1.15 or later.\nWildFire WF-500 and WF-500-B 10.2 10.2.17 through 10.2.18-h* Upgrade to 10.2.18-h6 or later.\n 10.2.14 through 10.2.16-h* Upgrade to 10.2.16-h7 or 10.2.18-h6 or later.\n 10.2.11 through 10.2.13-h* Upgrade to 10.2.13-h21 or 10.2.18-h6 or later.\n 10.2.8 through 10.2.10-h* Upgrade to 10.2.10-h36 or 10.2.18-h6 or later.\n 10.2.0 through 10.2.7-h* Upgrade to 10.2.7-h34 or 10.2.18-h6 or later.\nWildFire WF-500 and WF-500-B 10.1 All (EoL) No fix planned. Upgrade to a supported version.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "
VersionMinor Version RangeSuggested Solution
WildFire WF-500 and WF-500-B 12.112.1.5 through 12.1.6Upgrade 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 11.211.2.11 or laterUpgrade 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 11.111.1.14 or laterUpgrade 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 10.210.2.17 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.
" } ] } ], "exploits": [ { "lang": "en", "value": "Palo Alto Networks is not aware of any malicious exploitation of this issue.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "

Palo Alto Networks is not aware of any malicious exploitation of this issue.

" } ] } ], "timeline": [ { "time": "2026-05-13T16:00:00.000Z", "lang": "en", "value": "Initial publication." } ], "credits": [ { "lang": "en", "value": "Palo Alto Networks thanks our internal security research teams for discovering and reporting this issue.", "type": "other" } ], "source": { "discovery": "INTERNAL" }, "x_generator": { "engine": "Vulnogram 0.1.0-dev" }, "x_affectedList": [ "WildFire WF-500 and WF-500-B 12.1.0", "WildFire WF-500 and WF-500-B 12.1.1", "WildFire WF-500 and WF-500-B 12.1.2", "WildFire WF-500 and WF-500-B 12.1.3", "WildFire WF-500 and WF-500-B 11.2.0", "WildFire WF-500 and WF-500-B 11.2.1", "WildFire WF-500 and WF-500-B 11.2.2", "WildFire WF-500 and WF-500-B 11.2.3", "WildFire WF-500 and WF-500-B 11.1.0", "WildFire WF-500 and WF-500-B 11.1.1", "WildFire WF-500 and WF-500-B 11.1.2", "WildFire WF-500 and WF-500-B 11.1.3", "WildFire WF-500 and WF-500-B 10.2.0", "WildFire WF-500 and WF-500-B 10.2.1", "WildFire WF-500 and WF-500-B 10.2.2", "WildFire WF-500 and WF-500-B 10.2.3", "WildFire WF-500 and WF-500-B 10.2.4", "WildFire WF-500 and WF-500-B 10.2.5", "WildFire WF-500 and WF-500-B 10.2.6" ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-05-13T18:56:39.294156Z", "id": "CVE-2026-0259", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-13T18:57:18.638Z" } } ] } }