CVE-2026-0283
Last modified
CVE-2026-0283 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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.. EPSS estimates a 0.20% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:H/SI:L/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:M/U:Amber
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Paloaltonetworks | Pan-Os | >= 10.2.0, < 10.2.7 | — |
| Paloaltonetworks | Pan-Os | >= 10.2.8, < 10.2.10 | — |
| Paloaltonetworks | Pan-Os | >= 10.2.11, < 10.2.13 | — |
| Paloaltonetworks | Pan-Os | >= 10.2.14, < 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 | — |
| Paloaltonetworks | Pan-Os | 10.2.17 | — |
| Paloaltonetworks | Pan-Os | 10.2.18 | H1 |
| Paloaltonetworks | Pan-Os | >= 11.1.0, < 11.1.4 | — |
| Paloaltonetworks | Pan-Os | >= 11.1.8, < 11.1.10 | — |
| Paloaltonetworks | Pan-Os | >= 11.1.11, < 11.1.13 | — |
| Paloaltonetworks | Pan-Os | >= 11.1.14, < 11.1.16 | — |
| Paloaltonetworks | Pan-Os | 11.1.4 | — |
| Paloaltonetworks | Pan-Os | 11.1.5 | — |
| Paloaltonetworks | Pan-Os | 11.1.6 | — |
| Paloaltonetworks | Pan-Os | 11.1.10 | — |
| Paloaltonetworks | Pan-Os | 11.1.13 | — |
| Paloaltonetworks | Pan-Os | >= 11.2.0, < 11.2.4 | — |
| Paloaltonetworks | Pan-Os | >= 11.2.5, < 11.2.7 | — |
| Paloaltonetworks | Pan-Os | >= 11.2.8, < 11.2.10 | — |
| Paloaltonetworks | Pan-Os | >= 11.2.11, < 11.2.13 | — |
| Paloaltonetworks | Pan-Os | 11.2.4 | — |
| Paloaltonetworks | Pan-Os | 11.2.7 | — |
| Paloaltonetworks | Pan-Os | 11.2.10 | — |
| Paloaltonetworks | Pan-Os | >= 12.1.2, < 12.1.4 | — |
| Paloaltonetworks | Pan-Os | >= 12.1.5, < 12.1.7 | — |
| Paloaltonetworks | Pan-Os | 12.1.4 | — |
| Paloaltonetworks | Pan-Os | 12.1.7 | — |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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