CVE-2026-0283
MEDIUM
4.5
CVSS 4.0
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.
Metadata
Severity & Metrics
4.5
MEDIUM CVSS 4.0
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/E:U/AU:N/R:U/V:D/RE:M/U:Amber
SSVC — CISA Coordinator
Affected products (3)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| Palo Alto Networks | Cloud NGFW | — | All |
| Palo Alto Networks | PAN-OS | — | 12.1.0 < 12.1.8, 11.2.0 < 11.2.13, 11.1.0 < 11.1.16, 10.2.0 < 10.2.18-h8 |
| Palo Alto Networks | Prisma Access | — | All |
Weakness (CWE)
| CWE | Source | Description |
|---|---|---|
| CWE-306 | cna | CWE-306 Missing Authentication for Critical Function |
CVSS scores (1)
| Score | Severity | Version | Source | Vector |
|---|---|---|---|---|
| 4.5 | MEDIUM | 4.0 | cna | 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/E:U/AU:N/R:U/V:D/RE:M/U:Amber |
References (1)