CVE-2026-0317: PAN-OS: Denial of Service Vulnerability
CVE-2026-0317
Summary
A stored cross-site scripting (XSS) vulnerability in Palo Alto Networks PAN-OS® software enables a malicious authenticated administrator to store or execute a JavaScript payload using the web interface.
The security risk posed by this issue is minimized when the management interface is restricted to only trusted internal IP addresses according to our recommended best practice deployment guidelines.
This issue is applicable to PAN-OS® software on PA-Series and VM-Series firewalls and on Panorama (virtual and M-Series).
Cloud NGFW and Prisma® Access are not affected by these vulnerabilities.
Products covered
Cloud NGFW
PAN-OS
Prisma Access
PAN-OS 12.2
PAN-OS 12.1
PAN-OS 11.2
PAN-OS 11.1
Remediation
Version | Minor Version | Suggested Solution |
|---|---|---|
Cloud NGFW | No action needed. | |
PAN-OS 12.2 | 12.2.0 through 12.2.3 | Upgrade to 12.2.4 or later. |
PAN-OS 12.1 | 12.1.2 through 12.1.10-h* | Upgrade to 12.1.10-h2 or later. |
PAN-OS 11.2 | 11.2.0 through 11.2.15 | Upgrade to 11.2.16 or later. |
PAN-OS 11.1 | 11.1.0 through 11.1.16-h* | Upgrade to 11.1.16-h3 or later. |
All older unsupported PAN-OS versions | Upgrade to a supported fixed version. | |
Prisma Access | No action needed. |
Vendor-listed fixes
Cloud NGFW All
PAN-OS 12.2 >= 12.2.4
PAN-OS 12.1 >= 12.1.10-h2
PAN-OS 11.2 >= 11.2.16 (ETA: 10/15)
PAN-OS 11.1 >= 11.1.16-h3
Prisma Access All
CVEs in this advisory 1
Updates
- Published by Palo Alto Networks
The publication date reported by the vendor.
- Added to SecurityAlert
We collected the advisory from the official source.
- Confirmed at the source
Our collector saw this advisory during a later source check.