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Total 1 CVE
CVE Vendors Products Updated CVSS v3.1
CVE-2026-0300 2 Palo Alto Networks, Paloaltonetworks 51 Cloud Ngfw, Pan-os, Prisma Access and 48 more 2026-05-07 9.8 Critical
A buffer overflow vulnerability in the User-ID™ Authentication Portal (aka Captive Portal) service of Palo Alto Networks PAN-OS software allows an unauthenticated attacker to execute arbitrary code with root privileges on the PA-Series and VM-Series firewalls by sending specially crafted packets. The risk of this issue is greatly reduced if you secure access to the User-ID™ Authentication Portal per the best practice guidelines https://knowledgebase.paloaltonetworks.com/KCSArticleDetail by restricting access to only trusted internal IP addresses. Prisma Access, Cloud NGFW and Panorama appliances are not impacted by this vulnerability.