CVE-2026-0283

high

Description

An authentication bypass vulnerability in Large Scale VPN ( LSVPN) functionality of Palo Alto Networks PAN-OS software allows an attacker with network access to bypass security restrictions and establish an unauthorized site-to-site VPN connection. Panorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability.

References

Advisories
References

https://security.paloaltonetworks.com/CVE-2026-0283

https://www.bleepingcomputer.com/news/security/new-infratrust-report-reveals-infrastructure-flaws-admins-should-patch-first/

Details

Source: Mitre, NVD

Published: 2026-07-09

Updated: 2026-07-13

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 7.2

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Severity: High

CVSS v4

Base Score: 7.8

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:H/SI:L/SA:N

Severity: High

EPSS

EPSS: 0.00577