CVE-2026-0283

What it is

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.

At a glance

Exploitability

Can be exploited over the network without logging in. Limited direct impact.

Exploit odds

0.4% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2026-07-09 19:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-08-11 13:17 UTC Last updatedMost recent change to the record

Details

Published

2026-07-09 19:17 UTC

Last modified

2026-08-11 13:17 UTC

Exploit probability

0.4% · EPSS, next 30 days

Weakness

CWE-306 · Missing authentication

Record status

Modified

Affected

• Paloaltonetworks pan-os < 10.2.7
• Paloaltonetworks pan-os < 10.2.10
• Paloaltonetworks pan-os < 10.2.13
• Paloaltonetworks pan-os < 10.2.16
• Paloaltonetworks pan-os 10.2.7
• Paloaltonetworks pan-os 10.2.10
• Paloaltonetworks pan-os 10.2.13
• Paloaltonetworks pan-os 10.2.16

Attack profile CVSS 4.0 · 4.5

Attack vector

Network

Complexity

Low

Attack requirements

None

Privileges needed

None

User interaction

None

Confidentiality

Low

Integrity

Low

Availability

Low