High severity · published Jul 9, 2026
CVE-2026-0283
PAN-OS: Authentication Bypass Vulnerability in Large Scale VPN (LSVPN)
7.2
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PA
PAN-OS · Palo Alto Networks
12.1.0 before 12.1.8; 11.2.0 before 11.2.13; 11.1.0 before 11.1.16; 10.2.0 before 10.2.18-h8 · source: vendor, NVD
RA
RUGGEDCOM APE1808 · Siemens
0 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-0283
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-0283
Vendor Advisory
https://security.paloaltonetworks.com/CVE-2026-0283
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-104023.html
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