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 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-26-562?
The severity of ZDI-26-562 is rated at 5.4 according to the CVSS scale.
2
How do I fix ZDI-26-562?
To fix ZDI-26-562, update your Home Assistant Green to the latest version that addresses this vulnerability.
3
What type of vulnerability is ZDI-26-562?
ZDI-26-562 is identified as a server-side request forgery (SSRF) vulnerability.
4
Who can exploit ZDI-26-562?
Network-adjacent attackers can exploit ZDI-26-562 without requiring authentication.
5
What systems are affected by ZDI-26-562?
ZDI-26-562 affects installations of Home Assistant Green.