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Paper/Archive/CVE-2026-0284

CVE-2026-0284

Palo Alto Networks Cloud NGFW — PAN-OS: XML Injection Vulnerability in Large Scale VPN (LSVPN)

EPSS 0.5%CVSS 9.9
critical.is priorityof 100
38
CVSS 9.9 (NVD)9.9 / 10 × 3029.7Not in CISA KEV+300.0EPSS percentile 40.3.403 × 208.1No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Cloud NGFWsee advisoryAllCNA
PAN-OS12.1.0 – < 12.1.4-h812.1.4-h8CNA
PAN-OS11.2.0 – < 11.2.4-h2011.2.4-h20CNA
PAN-OS11.1.0 – < 11.1.4-h3511.1.4-h35CNA
PAN-OS10.2.0 – < 10.2.7-h3610.2.7-h36CNA
Prisma Accesssee advisoryAllCNA
RUGGEDCOM APE1808all versions–siemens-SADP

Scores by source

NVD9.9CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L
palo_alto (CNA)4.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:H/SI:L/SA:L/E:U/AU:N/R:A/V:D/RE:M/U:Amber
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial

References

advisorysecurity.paloaltonetworks.com/CVE-2026-0284refcert-portal.siemens.com/productcert/html/ssa-104023.html