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.
Published: 2026-07-09
Updated: 2026-07-13
Base Score: 9
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:P/A:P
Severity: High
Base Score: 9.9
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L
Severity: Critical
Base Score: 7.8
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:H/SI:L/SA:L
Severity: High
EPSS: 0.00498