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CVE-2026-0283PAN-OS: Authentication Bypass Vulnerability in Large Scale VPN (LSVPN)
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.
4.5 MEDIUMEPSS 0.37%Not in KEVNVD: Modified
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 4.5 | MEDIUM | 4.0palo_alto (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 |
| 7.2 | HIGH | 3.1NVD | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N |
Details
- CVE ID
- CVE-2026-0283
- Status
- Modified
- Assigner (CNA)
- palo_alto
- Published
- Jul 9, 2026
- Last modified
- 2026-10-15 01:11 UTC
- Weaknesses
- CWE-306 · Missing Authentication for Critical Function
Affected Products
As published by the CNA in the CVE record.
Palo Alto NetworksCloud NGFW0 version ranges
No version detail published.
Palo Alto NetworksPAN-OS4 version ranges
- 12.1.0 before 12.1.8
- 11.2.0 before 11.2.13
- 11.1.0 before 11.1.16
- 10.2.0 before 10.2.18-h8
Palo Alto NetworksPrisma Access0 version ranges
No version detail published.