CVE-2026-0243 MEDIUM

CVE-2026-0243: Prisma SD-WAN: Denial of Service (DoS) Vulnerability Through IPv6 Crafted Packet

Vendor Palo Alto Networks
Product Prisma SD-WAN ION
Weakness CWE-606
Published May 13, 2026
Last update May 14, 2026
View on NVD All CVEs

CVSS base score

4.9/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

A denial of service (DoS) vulnerability in Palo Alto Networks Prisma SD-WAN ION devices enables an unauthenticated attacker in a network adjacent to a Prisma SD-WAN ION device to cause a system disruption by sending a specially crafted IPv6 packet.

Key dates

02Disclosure timeline

May 13, 2026 CVE published
May 14, 2026 Record updated