Auth bypass in Palo Alto Networks Cloud Ngfw
CVE-2026-0283
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.
Vulnerability class: Broken Authentication
EPSS: 0.002 (11.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.
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-2026-0283?
- CVE-2026-0283 is a high-severity vulnerability in Palo Alto Networks Cloud Ngfw, classified under Missing Authentication for Critical Function. CVSS score: 7.2/10. Published 2026-07-09.
- How severe is CVE-2026-0283?
- High severity. CVSS v3 base score is 7.2 out of 10.