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 packets.
[POC] CVE-2026-0300 — CVE-2026-0300-PANOS-RCE
PAN-OS User-ID Captive Portal Buffer Overflow RCE Scanner & Checker
[POC] CVE-2026-0300 — CVE-2026-0300
CVE-2026-0300 PAN-OS 12.1, 11.2, 11.1, 10.2
[POC] CVE-2026-0300 — CVE-2026-0300
PAN-OS CVE-2026-0300 Non-Destructive Exposure Survey Tool
[POC] CVE-2026-0300 — CVE-2026-0300-PANOS
Security Research and Proof-of-Concept (PoC) for CVE-2026-0300 : Unauthenticated Remote Code Execution (RCE) in Palo Alto Networks PAN-OS User-ID Portal.
[POC] CVE-2026-0300 — cve-2026-0300-audit
Read-only audit tooling for CVE-2026-0300 (PAN-OS User-ID Authentication Portal exposure)
[POC] CVE-2026-0300 — CVE-2026-0300
CVE-2026-0300
[POC] CVE-2026-0300 — CVE-2026-0300
a honeypot for CVE-2026-0300
[POC] CVE-2026-0300 — PAN-OS-User-ID-Buffer-Overflow-PoC
A research-grade Proof-of-Concept (PoC) for CVE-2026-0300, targeting the Buffer Overflow vulnerability in Palo Alto Networks PAN-OS User-ID™ Authentication Portal (CWE-787).
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