{"document":{"category":"csaf_vex","csaf_version":"2.1","notes":[{"category":"summary","text":"Palo Alto Networks PSIRT provided VEX document. This document is autogenerated.","title":"PAN-OS: Multiple Cross-Site Scripting (XSS) Vulnerabilities "}],"publisher":{"category":"vendor","name":"Palo Alto Networks","namespace":"https://security.paloaltonetworks.com"},"title":"Palo Alto Networks PSIRT provided VEX document: CVE-2026-0279","distribution":{"text":"Copyright © 2024 Palo Alto Networks. All rights reserved.","tlp":{"label":"CLEAR","url":"https://www.first.org/tlp/"}},"tracking":{"current_release_date":"2026-07-08T20:40:35.715Z","generator":{"date":"2026-07-08T20:40:35.715Z","engine":{"name":"Vulnogram","version":"0.1.0-dev"}},"id":"CVE-2026-0279","initial_release_date":"2026-07-08T16:00:00.000Z","revision_history":[{"number":"1","date":"2026-07-08T09:00:00.000Z","summary":"Initial publication"},{"number":"2","date":"2026-07-08T13:30:00.000Z","summary":"Updated the Unaffected version for Prisma Access."}],"status":"final","version":"1"}},"product_tree":{"branches":[{"name":"Palo Alto Networks","category":"vendor","branches":[{"name":"Cloud NGFW","category":"product_name","branches":[{"category":"product_version","name":"Cloud NGFW All","product":{"name":"Palo Alto Networks Cloud NGFW","product_id":"PANW-Cloud-NGFW-1"}}]},{"name":"PAN-OS","category":"product_name","branches":[{"category":"product_version_range","name":"vers:generic/PAN-OS<12.1.8","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-852"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=12.1.8","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-852"}},{"category":"product_version_range","name":"vers:generic/PAN-OS<11.2.13","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-853"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.2.13","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-853"}},{"category":"product_version_range","name":"vers:generic/PAN-OS<11.1.16","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-854"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.16","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-854"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.0","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-579"}}]},{"name":"Prisma Access","category":"product_name","branches":[{"category":"product_version_range","name":"vers:generic/Prisma Access<12.1.8","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-56"}},{"category":"product_version_range","name":"vers:generic/Prisma Access>=12.1.8","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-56"}},{"category":"product_version_range","name":"vers:generic/Prisma Access>=11.2.0","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-57"}},{"category":"product_version_range","name":"vers:generic/Prisma Access>=10.2.0","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-45"}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-0279","product_status":{"fixed":["PANW-PAN-OS-852","PANW-PAN-OS-853","PANW-PAN-OS-854","PANW-Prisma-Access-56"],"known_affected":["PANW-PAN-OS-852","PANW-PAN-OS-853","PANW-PAN-OS-854","PANW-PAN-OS-579","PANW-Prisma-Access-56","PANW-Prisma-Access-57","PANW-Prisma-Access-45"],"known_not_affected":["PANW-Cloud-NGFW-1"]},"notes":[{"category":"description","text":"Multiple cross site scripting vulnerabilities in the User-ID™ Authentication Portal (aka Captive Portal) service, GlobalProtect™ gateway/portal features and Clientless VPN of Palo Alto Networks PAN-OS® software enables a malicious unauthenticated user to store or execute malicious JavaScript payload.\n\n\nThe security risk posed by this issue is minimized when the management interface and access to the User-ID™ Authentication Portal is restricted to only trusted internal IP addresses according to our recommended best practice deployment guidelines (https://live.paloaltonetworks.com/t5/community-blogs/tips-amp-tricks-how-to-secure-the-management-access-of-your-palo/ba-p/464431).\n\nThis issue is applicable to PAN-OS software on PA-Series and VM-Series firewalls and on Panorama (virtual and M-Series).\n\nCloud NGFW is not affected by this vulnerability.\n"}],"references":[{"category":"external","summary":"NVD - CVE-2026-0279","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0279"},{"category":"self","summary":"Palo Alto Networks Security Advisory CVE-2026-0279","url":"https://security.paloaltonetworks.com/CVE-2026-0279"}],"threats":[{"category":"impact","description":"Multiple cross site scripting vulnerabilities in the User-ID™ Authentication Portal (aka Captive Portal) service, GlobalProtect™ gateway/portal features and Clientless VPN of Palo Alto Networks PAN-OS® software enables a malicious unauthenticated user to store or execute malicious JavaScript payload.\n\n\nThe security risk posed by this issue is minimized when the management interface and access to the User-ID™ Authentication Portal is restricted to only trusted internal IP addresses according to our recommended best practice deployment guidelines (https://live.paloaltonetworks.com/t5/community-blogs/tips-amp-tricks-how-to-secure-the-management-access-of-your-palo/ba-p/464431).\n\nThis issue is applicable to PAN-OS software on PA-Series and VM-Series firewalls and on Panorama (virtual and M-Series).\n\nCloud NGFW is not affected by this vulnerability.\n"}],"scores":[{"cvss_v4":{"version":"4.0","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","Safety":"NOT_DEFINED","Automatable":"NO","Recovery":"USER","valueDensity":"DIFFUSE","vulnerabilityResponseEffort":"MODERATE","providerUrgency":"AMBER","exploitMaturity":"UNREPORTED","baseSeverity":"MEDIUM","baseScore":5.3,"threatSeverity":"LOW","threatScore":1.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber"},"products":["PANW-PAN-OS-852","PANW-PAN-OS-853","PANW-PAN-OS-854","PANW-PAN-OS-579","PANW-Prisma-Access-56","PANW-Prisma-Access-57","PANW-Prisma-Access-45"]},{"cvss_v4":{"version":"4.0","attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","Safety":"NOT_DEFINED","Automatable":"NO","Recovery":"USER","valueDensity":"DIFFUSE","vulnerabilityResponseEffort":"MODERATE","providerUrgency":"AMBER","exploitMaturity":"UNREPORTED","baseSeverity":"MEDIUM","baseScore":5.1,"threatSeverity":"LOW","threatScore":1.2,"vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber"},"products":["PANW-PAN-OS-852","PANW-PAN-OS-853","PANW-PAN-OS-854","PANW-PAN-OS-579","PANW-Prisma-Access-56","PANW-Prisma-Access-57","PANW-Prisma-Access-45"]},{"cvss_v4":{"version":"4.0","attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"PASSIVE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","Safety":"NOT_DEFINED","Automatable":"NO","Recovery":"USER","valueDensity":"DIFFUSE","vulnerabilityResponseEffort":"MODERATE","providerUrgency":"AMBER","exploitMaturity":"UNREPORTED","baseSeverity":"LOW","baseScore":2.4,"threatSeverity":"LOW","threatScore":0.4,"vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber"},"products":["PANW-PAN-OS-852","PANW-PAN-OS-853","PANW-PAN-OS-854","PANW-PAN-OS-579","PANW-Prisma-Access-56","PANW-Prisma-Access-57","PANW-Prisma-Access-45"]}]}]}