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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| 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 | 12.1.8 |
| Palo Alto Networks | Prisma Access | — | All |
Advisories 3
- SSA-104023 SSA-104023: Multiple Vulnerabilities in Palo Alto Networks PAN-OS on RUGGEDCOM APE1808 Devices Siemens ProductCERT · Nov 10, 2026
- NCSC-2026-0227 Kwetsbaarheden verholpen in Palo Alto Networks PAN-OS NCSC-NL (Netherlands) · Jul 13, 2026
- WID-SEC-2026-2261 Palo Alto Networks PAN-OS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 9, 2026
References
- https://security.paloaltonetworks.com/CVE-2026-0283 vendor-advisory