Vulnerability in Palo Alto Networks Cloud Ngfw

CVE-2026-0284

An XML injection vulnerability in the Large Scale VPN (LSVPN) functionality of Palo Alto Networks PAN-OS® software enables an unauthenticated attacker with network access to inject malicious XML content, potentially leading to information disclosure or corruption of internal LSVPN satellite data. Panorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability.

EPSS: 0.003 (20.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-0284?
CVE-2026-0284 is a critical-severity vulnerability in Palo Alto Networks Cloud Ngfw, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 9.9/10. Published 2026-07-09.
How severe is CVE-2026-0284?
Critical severity. CVSS v3 base score is 9.9 out of 10.