{"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":"<p>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.</p><p>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.</p><p>Please note that customers using the WildFire Public cloud service are NOT impacted by this vulnerability.<br></p>"}]}],"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":"<p>For airgapped deployments, we strongly recommend that you secure WildFire 500 appliances by restricting access to only trusted internal IP addresses.</p><p>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). <br></p><b></b><p>Please note that this Threat ID requires SSL Decryption.</p>"}]}],"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":"<table class=\"tbl\"><thead><tr><th>Version</th><th>Minor Version Range</th><th>Suggested Solution</th></tr></thead><tbody><tr><td>WildFire WF-500 and WF-500-B 12.1</td><td>12.1.5 through 12.1.6</td><td>Upgrade to 12.1.7 or later.</td></tr><tr><td><br></td><td>12.1.2 through 12.1.4-h*</td><td>Upgrade to 12.1.4-h5 or 12.1.7 or later.</td></tr><tr><td>WildFire WF-500 and WF-500-B 11.2</td><td>11.2.11 or later</td><td>Upgrade to 11.2.12 or later.</td></tr><tr><td><br></td><td>11.2.8 through 11.2.10-h*</td><td>Upgrade to 11.2.10-h6 or 11.2.12 or later.</td></tr><tr><td><br></td><td>11.2.5 through 11.2.7-h*</td><td>Upgrade to 11.2.7-h13 or 11.2.12 or later.</td></tr><tr><td><br></td><td>11.2.0 through 11.2.4-h*</td><td>Upgrade to 11.2.4-h17 or 11.2.12 or later.</td></tr><tr><td>WildFire WF-500 and WF-500-B 11.1</td><td>11.1.14 or later</td><td>Upgrade to 11.1.15 or later.</td></tr><tr><td><br></td><td>11.1.11 through 11.1.13-h*</td><td>Upgrade to 11.1.13-h5 or 11.1.15 or later.</td></tr><tr><td><br></td><td>11.1.8 through 11.1.10-h*</td><td>Upgrade to 11.1.10-h25 or 11.1.15 or later.</td></tr><tr><td><br></td><td>11.1.7 through 11.1.7-h*</td><td>Upgrade to 11.1.7-h6 or 11.1.15 or later.</td></tr><tr><td><br></td><td>11.1.5 through 11.1.6-h*</td><td>Upgrade to 11.1.6-h32 or 11.1.15 or later.</td></tr><tr><td><br></td><td>11.1.0 through 11.1.4-h*</td><td>Upgrade to 11.1.4-h33 or 11.1.15 or later.</td></tr><tr><td>WildFire WF-500 and WF-500-B 10.2</td><td>10.2.17 through 10.2.18-h*</td><td>Upgrade to 10.2.18-h6 or later.</td></tr><tr><td><br></td><td>10.2.14 through 10.2.16-h*</td><td>Upgrade to 10.2.16-h7 or 10.2.18-h6 or later.</td></tr><tr><td><br></td><td>10.2.11 through 10.2.13-h*</td><td>Upgrade to 10.2.13-h21 or 10.2.18-h6 or later.</td></tr><tr><td><br></td><td>10.2.8 through 10.2.10-h*</td><td>Upgrade to 10.2.10-h36 or 10.2.18-h6 or later.</td></tr><tr><td><br></td><td>10.2.0 through 10.2.7-h*</td><td>Upgrade to 10.2.7-h34 or 10.2.18-h6 or later.</td></tr><tr><td>WildFire WF-500 and WF-500-B 10.1<br></td><td>&nbsp;All (EoL)</td><td>No fix planned. Upgrade to a supported version.</td></tr></tbody></table>"}]}],"exploits":[{"lang":"en","value":"Palo Alto Networks is not aware of any malicious exploitation of this issue.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>Palo Alto Networks is not aware of any malicious exploitation of this issue.</p>"}]}],"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"}}]}}