CVE-2026-0269 MEDIUM

CVE-2026-0269: PAN-OS: Denial of Service (DoS) in Tunnel Traffic Processing

Vendor Palo Alto Networks
Product PAN-OS
Weakness CWE-754
Published June 10, 2026
Last update June 11, 2026
View on NVD All CVEs

CVSS base score

4.6/10
Attack vector Adjacent
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:A/V:D/RE:M/U:Amber

What the vulnerability does

01Description

A memory corruption vulnerability in the processing of tunnel traffic in Palo Alto Networks PAN-OS® software allows an authenticated user to initiate system reboots using a maliciously crafted packet. Repeated attempts to initiate a reboot causes the firewall to enter maintenance mode. Panorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability.

Key dates

02Disclosure timeline

June 10, 2026 CVE published
June 11, 2026 Record updated