CVE-2026-0283 PAN-OS: Authentication Bypass Vulnerability in Large Scale VPN (LSVPN)
Attackers with network access can bypass authentication to establish unauthorized site-to-site VPN connections in PAN-OS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-0283?
CVE-2026-0283 is a medium-severity authentication bypass vulnerability in Paloaltonetworks Pan-Os, published on 9 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-306
Which versions are affected by CVE-2026-0283?
It affects 1 product.
Products include Paloaltonetworks Pan-Os.
How do I fix CVE-2026-0283?
No fix has been published for CVE-2026-0283 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-0283 being exploited?
There is no known exploitation of CVE-2026-0283 in the wild and no public exploit code.
Other vulnerabilities in Paloaltonetworks Pan-Os
- CVE-2024-3400 Palo Alto Networks PAN-OS Command Injection
- CVE-2020-2021 Palo Alto Networks PAN-OS Authentication Bypass
- CVE-2017-15944 Palo Alto Networks PAN-OS Remote Code Execution
- CVE-2026-0300 Palo Alto Networks PAN-OS Out-of-bounds Write
- CVE-2024-0012 Palo Alto Networks PAN-OS Management Interface Authentication Bypass
Sources
Also known as GHSA-jmqp-7m5h-wrr8.