Auth Bypass in Palo Alto PAN-OS LSVPN
CVE-2026-0283 Published on July 9, 2026
PAN-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.
Vulnerability Analysis
CVE-2026-0283 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Timeline
Initial publication
Weakness Type
Missing Authentication for Critical Function
The software does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
Products Associated with CVE-2026-0283
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Affected Versions
Palo Alto Networks Cloud NGFW:- Version All is unaffected.
- Version 12.1.0 and below 12.1.8 is affected.
- Version 11.2.0 and below 11.2.13 is affected.
- Version 11.1.0 and below 11.1.16 is affected.
- Version 10.2.0 and below 10.2.18-h8 is affected.
- Version All is unaffected.
- Before * is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.