About Remote Code Execution - PAN-OS (CVE-2026-0300) vulnerability

About Remote Code Execution - PAN-OS CVE-2026-0300 vulnerability. PAN-OS is an operating system for Palo Alto Networks firewalls and security platforms. User-ID™ Authentication Portal also known as Captive Portal is a non-default PAN-OS feature used to map IP addresses to usernames. By exploiting...

Palo Alto PAN-OS Flaw Under Active Exploitation Enables Remote Code Execution

Palo Alto Networks has released an advisory warning that a critical buffer overflow vulnerability in its PAN-OS software has been exploited in the wild. The vulnerability, tracked as CVE-2026-0300 , has been described as a case of unauthenticated remote code execution. It carries a CVSS score of...

Palo Alto Networks PAN-OS Out-of-bounds Write Vulnerability

Palo Alto Networks PAN-OS contains an out-of-bounds write vulnerability in the User-ID Authentication Portal aka Captive Portal service that can allow an unauthenticated attacker to execute arbitrary code with root privileges on the PA-Series and VM-Series firewalls by sending specially crafted...