CVE-2026-0266

MediumCVSS 4.8/10Last modified Jul 23, 2026

Description

A cross-site scripting (XSS) vulnerability in Palo Alto Networks PAN-OS® software enables a malicious authenticated administrator to store a JavaScript payload using the web interface.

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 this vulnerability.

Metrics

CVSS 3.1 4.8/10CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

VendorProductVersions
Palo Alto NetworksCloud NGFW—
Palo Alto NetworksPAN-OS>= 12.1.0, < 12.1.5; >= 11.2.0, < 11.2.11; >= 11.1.0, < 11.1.14; 10.2.0
Palo Alto NetworksPrisma Access—
SiemensRUGGEDCOM APE1808< *

References

Timeline

Published
Jun 10, 2026
Last modified
Jul 23, 2026
NVD status
Modified

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CVE-2026-0266: Medium severity, CVSS 4.8 | Vulnix