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
- Palo Alto Networks Cloud Ngfw — versions All
- Palo Alto Networks Pan-os — versions 12.1.0, 11.2.0, 11.1.0
- Palo Alto Networks Prisma Access — versions All
- Paloaltonetworks Pan-os — versions 10.2.7, 10.2.10, 10.2.13
Weakness classification (CWE)
References
- psirt@paloaltonetworks.com (vendor-advisory, Vendor Advisory)
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
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.