Home/CVE/A denial of service (DoS) vulnerability in Palo Alto Networks Prisma SD-WAN ION devices enables an unauthenticated attac
CVE

CVE-2026-0243

A denial of service (DoS) vulnerability in Palo Alto Networks Prisma SD-WAN ION devices enables an unauthenticated attac

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.

EPSS 0.00039
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-606Unchecked Input for Loop Condition
▣

Scoring & Timeline

Published to NVD13 May 2026 · 08:16 PM
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://security.paloaltonetworks.com/CVE-2026-0243
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