CVE-2026-0279
Reported by palo_alto · Published July 9, 2026
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.
Risk Scores
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Palo Alto Networks | Cloud NGFW | All |
| Palo Alto Networks | PAN-OS | 12.1.0, 11.2.0, 11.1.0 |
| Palo Alto Networks | Prisma Access | 12.1.0, 11.2.0, 10.2.0 |
| Palo Alto Networks | Cloud NGFW | All |
| Palo Alto Networks | Prisma Access | 11.2.0, 10.2.0, 12.1.0 |
| palo_alto_networks | pan-os | 11.2.0, 12.1.0, 11.1.0 |
| Palo Alto Networks | PAN-OS | 10.2.0, 12.1.0, 11.2.0 |
| palo_alto_networks | prisma_access | 10.2.0, 11.2.0, 12.1.0 |
Timeline
- Jul 9, 2026 CVE Published
- Jul 9, 2026 CVE Updated
- Jul 11, 2026 Coalition ESS Score