CVE-2026-0283

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.

Affected Software

VendorProductVersion RangeStatus
Palo Alto NetworksCloud NGFWAllunaffected
Palo Alto NetworksPAN-OS12.1.0 < 12.1.8affected
Palo Alto NetworksPAN-OS11.2.0 < 11.2.13affected
Palo Alto NetworksPAN-OS11.1.0 < 11.1.16affected
Palo Alto NetworksPAN-OS10.2.0 < 10.2.18-h8affected
Palo Alto NetworksPrisma AccessAllunaffected

Weaknesses

  • CWE-306: CWE-306 Missing Authentication for Critical Function

Workarounds

Customers with a Threat Prevention subscription are provided with limited coverage against this vulnerability when enabling Threat ID 510032 (from Applications and Threats content version 9122-10145 and later). 

To ensure the Threat ID provides effective protection against this vulnerability, ensure that vulnerability protection security profile is applied to your GlobalProtect interface https://live.paloaltonetworks.com/t5/globalprotect-articles/applying-vulnerability-protection-to-globalprotect-interfaces/ta-p/340184 .

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References