CVE-2026-0279
LOWAttack Surface
CVSS Vector Breakdown
Description
Multiple cross site scripting vulnerabilities in the User-ID™ Authentication Portal (aka Captive Portal) service, GlobalProtect™ gateway/portal features and Clientless VPN of Palo Alto Networks PAN-OS® software enables a malicious unauthenticated user to store or execute malicious JavaScript payload. The security risk posed by this issue is minimized when the management interface and access to the User-ID™ Authentication Portal is restricted to only trusted internal IP addresses according to our recommended best practice deployment guidelines https://live.paloaltonetworks.com/t5/community-blogs/tips-amp-tricks-how-to-secure-the-management-access-of-your-palo/ba-p/464431 . This issue is applicable to PAN-OS software on PA-Series and VM-Series firewalls and on Panorama (virtual and M-Series). Cloud NGFW is not affected by this vulnerability.
Weakness Classification (1)
Affected Software (7)
| Vendor | Product | Version |
|---|---|---|
| Palo Alto Networks | PAN-OS | 12.1.0 < 12.1.8 |
| Palo Alto Networks | PAN-OS | 11.2.0 < 11.2.13 |
| Palo Alto Networks | PAN-OS | 11.1.0 < 11.1.16 |
| Palo Alto Networks | PAN-OS | 10.2.0 < 10.2.18-h8 |
| Palo Alto Networks | Prisma Access | 12.1.0 < 12.1.8 |
| Palo Alto Networks | Prisma Access | 11.2.0 |
| Palo Alto Networks | Prisma Access | 10.2.0 |