CVE-2018-10139: Palo Alto Networks PAN-OS

Medium severity, CVSS 6.1. EPSS: 1.5% chance of exploitation in the next 30 days.

The PAN-OS response for GlobalProtect Gateway in Palo Alto Networks PAN-OS 6.1.21 and earlier, PAN-OS 7.1.18 and earlier, PAN-OS 8.0.11 and earlier may allow an unauthenticated attacker to inject arbitrary JavaScript or HTML. PAN-OS 8.1 is NOT affected.

Affected products

• Palo Alto Networks PAN-OS: up to and including 6.1.21; from 7.1.0, up to and including 7.1.18; from 8.0.0, up to and including 8.0.11

Published 2018-08-16. Last modified 2026-06-17.