{"id":"CVE-2026-0259","aliases":["EUVD-2026-30106","GHSA-7g39-pmpc-x999"],"status":"published","title":"WildFire WF-500 and WF-500-B: Arbitrary File Read and Delete Vulnerability in WildFire Appliance (WF-500, WF-500-B)","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.\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.","severity":{"version":"4.0","score":5,"vector":"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00336,"percentile":0.27286,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-73"],"published":"2026-05-13T18:05:45Z","modified":"2026-10-26T17:10:03Z","products":[{"vendor":"palo alto networks","product":"wildfire wf-500 and wf-500-b"},{"vendor":"paloaltonetworks","product":"pan-os"}],"references":[{"url":"https://security.paloaltonetworks.com/CVE-2026-0259","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0259"},{"url":"https://github.com/advisories/GHSA-7g39-pmpc-x999"}],"sources":{"cve":[{"id":"CVE-2026-0259","title":"WildFire WF-500 and WF-500-B: Arbitrary File Read and Delete Vulnerability in WildFire Appliance (WF-500, WF-500-B)","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.\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.","status":"published","published":"2026-05-13T18:05:45.862Z","modified":"2026-05-13T18:57:18.638Z","cvss":[{"version":"4.0","score":5,"vector":"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","level":"medium","assessor":"cna"}],"cwes":["CWE-73"],"updated_at":"2026-11-02T14:20:13.587351Z"}],"euvd":[{"id":"EUVD-2026-30106","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.\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.","status":"published","published":"2026-05-13T18:05:45Z","modified":"2026-05-13T18:57:18Z","cvss":[{"version":"4.0","score":5,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T19:04:33.260537Z"}],"ghsa":[{"id":"GHSA-7g39-pmpc-x999","title":"An arbitrary File Read and Delete Vulnerability in Palo Alto Networks WildFire® WF-500 and WF-500...","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.\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.","status":"published","published":"2026-05-13T21:32:05Z","modified":"2026-07-14T18:31:46Z","cvss":[{"version":"4.0","score":5,"vector":"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:C/RE:M/U:Amber","level":"medium"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-73"],"updated_at":"2026-11-02T15:09:27.635559Z"}],"nvd":[{"id":"CVE-2026-0259","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.\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.","status":"published","published":"2026-05-13T19:17:01.873Z","modified":"2026-10-26T17:10:03.27Z","cvss":[{"version":"4.0","score":5,"vector":"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:C/RE:M/U:Amber","level":"medium","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-73"],"updated_at":"2026-11-02T14:12:19.020465Z"}]}}