CVE-2026-0283 json
PAN-OS: Authentication Bypass Vulnerability in Large Scale VPN (LSVPN)
published 2026-07-09 4 mo ago modified 2026-10-15 25 d ago also EUVD-2026-42678
- cvss
- 7.2
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 31%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Palo Alto Networks PAN-OS 10.2.7-h36, 10.2.10-h39, 10.2.13-h23, 10.2.16-h9, 10.2.18-h8, 11.1.4-h35, 11.1.6-h35, 11.1.7-h8, 11.1.10-h30, 11.1.13-h9, 11.1.16, 11.2.4-h20, 11.2.7-h18, 11.2.10-h12, 11.2.13, 12.1.4-h8, 12.1.7-h2, 12.1.8
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 4 mo ago
Exploit prediction
0.38% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 4.5 | 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/AU:N/R:U/V:D/RE:M/U:Amber |
| CNA | 4.0 | 4.5 | 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 |
| NVD | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N |
Affected products
- Palo Alto Networks Cloud NGFW
- Palo Alto Networks PAN-OS
- Palo Alto Networks Prisma Access
- Siemens RUGGEDCOM APE1808
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
- Technology feeds
References
Sources
- CVE List CVE-2026-0283
- NVD CVE-2026-0283
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