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
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
What is CVE-2026-0283?
How severe is CVE-2026-0283?
How do I fix CVE-2026-0283?
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.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-0277An improper certificate validation vulnerability in the Pris…5.9
- CVE-2026-0278Multiple protection mechanism failures in the Prisma Access …7.8
- CVE-2026-0279Multiple cross site scripting vulnerabilities in the User-ID…6.1
- CVE-2026-0280An IPv6 packet processing vulnerability in the dataplane of …7.2
- CVE-2026-0281An information disclosure vulnerability in Palo Alto Network…7.1
- CVE-2026-0282A file deletion vulnerability in Palo Alto Networks PAN-OS® …6.5
- CVE-2026-0284An XML injection vulnerability in the Large Scale VPN (LSVPN…9.9
- CVE-2026-0285A server-side request forgery (SSRF) vulnerability in Palo A…4.9
- CVE-2026-0286A command injection vulnerability in the management plane of…7.2
- CVE-2026-0287Multiple denial of service vulnerabilities in Palo Alto Netw…7.5
- CVE-2026-0288Multiple buffer overflow vulnerabilities in the User-ID Term…7.5
- CVE-2026-0289A security bypass vulnerability in the Account Protection f…6.5
Are you affected by CVE-2026-0283?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST