CVE-2026-0269mediumCWE-754

CVE-2026-0269: medium-severity vulnerability in Palo Alto Networks PAN-OS

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

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 4.6epss 0.2%
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.
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
Affected products
Palo Alto Networks · Cloud NGFWPalo Alto Networks · PanoramaPalo Alto Networks · PAN-OSPalo Alto Networks · Prisma Access
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