Status: UPDATED | Advisory ID: CVE-2026-0283
| CVE | CVE-2026-0283 |
| CVSS Score / Version | 7.2 (High) / CVSS v3.1 |
| Updated | 2026-08-11 |
| CVSS Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N |
| CVSS Prose | attack vector is network; attack complexity is low; privileges required is none; user interaction is none; scope is changed; confidentiality impact is low; integrity impact is low; availability impact is none. |
| Affected products | Palo Alto Networks PAN-OS and Siemens RUGGEDCOM APE1808 |
| Classified as | CWE-306 (Missing Authentication for Critical Function) |
| Vendor | Product | Affected Versions | Patch Status |
|---|---|---|---|
| Palo Alto Networks | PAN-OS | ||
| Siemens | RUGGEDCOM APE1808 |
| Subsystems | General OT |
| Sectors | Multi-sector |
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. (NVD)
Monitor Palo Alto Networks's and Siemens's web pages for any future patch releases. See vendor advisory link below.
| Source | Reference |
|---|---|
| NVD | https://nvd.nist.gov/vuln/detail/CVE-2026-0283 |
| CVE | https://www.cve.org/CVERecord?id=CVE-2026-0283 |
| Vendor advisory | https://security.paloaltonetworks.com/CVE-2026-0283 |