{"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: Denial of Service (DoS) in Tunnel Traffic Processing"}],"publisher":{"category":"vendor","name":"Palo Alto Networks","namespace":"https://security.paloaltonetworks.com"},"title":"Palo Alto Networks PSIRT provided VEX document: CVE-2026-0269","distribution":{"text":"Copyright © 2024 Palo Alto Networks. All rights reserved.","tlp":{"label":"CLEAR","url":"https://www.first.org/tlp/"}},"tracking":{"current_release_date":"2026-06-10T21:12:35.861Z","generator":{"date":"2026-06-10T21:12:35.861Z","engine":{"name":"Vulnogram","version":"0.1.0-dev"}},"id":"CVE-2026-0269","initial_release_date":"2026-06-10T16:00:00.000Z","revision_history":[{"number":"1","date":"2026-06-10T09:00:00.000Z","summary":"Initial publication."}],"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<12.1.5","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-830"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=12.1.5","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-830"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=12.1.4-h5","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-814"}},{"category":"product_version_range","name":"vers:generic/PAN-OS<11.2.10","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-798"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.2.10","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-798"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.2.7-h4","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-834"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.2.4-h17","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-818"}},{"category":"product_version_range","name":"vers:generic/PAN-OS<11.1.6-h21","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-728"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.12","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-725"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.10-h7","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-727"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.6-h21","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-728"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.4-h33","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-824"}},{"category":"product_version_range","name":"vers:generic/PAN-OS<10.2.16-h6","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-784"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.18","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-833"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.16-h6","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-784"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.13-h21","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-827"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.10-h36","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-828"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.7-h34","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-829"}}]},{"name":"Panorama","category":"product_name","branches":[{"category":"product_version","name":"Panorama All","product":{"name":"Palo Alto Networks Panorama","product_id":"PANW-Panorama-1"}}]},{"name":"Prisma Access","category":"product_name","branches":[{"category":"product_version","name":"Prisma Access All","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-1"}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-0269","product_status":{"fixed":["PANW-PAN-OS-830","PANW-PAN-OS-814","PANW-PAN-OS-798","PANW-PAN-OS-834","PANW-PAN-OS-818","PANW-PAN-OS-725","PANW-PAN-OS-727","PANW-PAN-OS-728","PANW-PAN-OS-824","PANW-PAN-OS-833","PANW-PAN-OS-784","PANW-PAN-OS-827","PANW-PAN-OS-828","PANW-PAN-OS-829"],"known_affected":["PANW-PAN-OS-830","PANW-PAN-OS-798","PANW-PAN-OS-728","PANW-PAN-OS-784"],"known_not_affected":["PANW-Cloud-NGFW-1","PANW-Panorama-1","PANW-Prisma-Access-1"]},"notes":[{"category":"description","text":"A memory corruption vulnerability in the processing of tunnel traffic in Palo Alto Networks PAN-OS® software allows an authenticated user to initiate system reboots using a maliciously crafted packet. Repeated attempts to initiate a reboot causes the firewall to enter maintenance mode.\n\nPanorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability."}],"references":[{"category":"external","summary":"NVD - CVE-2026-0269","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0269"},{"category":"self","summary":"Palo Alto Networks Security Advisory CVE-2026-0269","url":"https://security.paloaltonetworks.com/CVE-2026-0269"}],"threats":[{"category":"impact","description":"A memory corruption vulnerability in the processing of tunnel traffic in Palo Alto Networks PAN-OS® software allows an authenticated user to initiate system reboots using a maliciously crafted packet. Repeated attempts to initiate a reboot causes the firewall to enter maintenance mode.\n\nPanorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability."}],"scores":[{"cvss_v4":{"version":"4.0","attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","Safety":"NOT_DEFINED","Automatable":"NO","Recovery":"AUTOMATIC","valueDensity":"DIFFUSE","vulnerabilityResponseEffort":"MODERATE","providerUrgency":"AMBER","exploitMaturity":"UNREPORTED","baseSeverity":"MEDIUM","baseScore":6.9,"threatSeverity":"MEDIUM","threatScore":4.6,"vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:A/V:D/RE:M/U:Amber"},"products":["PANW-PAN-OS-830","PANW-PAN-OS-798","PANW-PAN-OS-728","PANW-PAN-OS-784"]}]}]}