Medium [CVE-2026-0279] PAN-OS: Multiple Cross-Site Scripting (XSS) Vulnerabilities
This medium-severity Palo Alto Networks advisory covers CVE-2026-0279 affecting PAN-OS, Prisma Access.
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Summary
CVE-2026-0279 PAN-OS: Multiple Cross-Site Scripting (XSS) Vulnerabilities
Affected products named by the advisory: Prisma Access.
- PAN-OS < 12.1.8
- PAN-OS < 11.2.13
- PAN-OS < 11.1.16
- Prisma Access < 12.1.8
Official advisory · high-confidence parse· fetched 8 days ago·verify at source
- PAN-OS >= 12.1.8
- PAN-OS >= 11.2.13
- PAN-OS >= 11.1.16
- Prisma Access >= 12.1.8
Official advisory · high-confidence parse· fetched 8 days ago·verify at source
Mitigation checklist
- Upgrade to a fixed release: PAN-OS >= 12.1.8; PAN-OS >= 11.2.13; PAN-OS >= 11.1.16; Prisma Access >= 12.1.8.
- The vast majority of firewalls already follow Palo Alto Networks' and industry best practices.
- However, if you have not already, we strongly recommend that you secure access to your management interface according to our best practice deployment guidelines.
- Specifically, you should restrict management interface access to only trusted internal IP addresses.
- Review information about how to secure management access to your Palo Alto Networks firewalls:
- Palo Alto Networks LIVEcommunity articlePalo Alto Networks official and detailed technical documentation
Official advisory · high-confidence parse· fetched 8 days ago·verify at source
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