ZDI-CAN-28336: ZDI-26-562: (Pwn2Own) Home Assistant Green mDNS Server-Side Request Forgery Vulnerability
Published Aug 12, 2026
·Updated
This vulnerability allows network-adjacent attackers to initiate arbitrary server-side requests on affected installations of Home Assistant Green. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 5.4.
Affected Software
1 affected component
Home Assistant Home Assistant Green
Event History
Aug 12, 2026
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
Frequently Asked Questions
1
What is the severity of ZDI-CAN-28336?
The severity of ZDI-CAN-28336 is rated at 5.4 on the CVSS scale.
2
Who is affected by ZDI-CAN-28336?
ZDI-CAN-28336 affects installations of Home Assistant Green.
3
What type of vulnerability is ZDI-CAN-28336?
ZDI-CAN-28336 is a server-side request forgery vulnerability.
4
Is authentication required to exploit ZDI-CAN-28336?
No, authentication is not required to exploit ZDI-CAN-28336.
5
How do I fix ZDI-CAN-28336?
To fix ZDI-CAN-28336, ensure you update your Home Assistant Green installation to the latest version that addresses this vulnerability.