ZDI-26-563: (Pwn2Own) Home Assistant Green Simple Service Discovery Protocol Server-Side Request Forgery Vulnerability

T1Covered by 1 source · first reported by Zero Day Initiative — published at 12 Aug, 05:00 UTC

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. The following CVEs are assigned: CVE-2026-91131.

security

Sources

• T1ZDI-26-563: (Pwn2Own) Home Assistant Green Simple Service Discovery Protocol Server-Side Request Forgery VulnerabilityZero Day Initiative — published12 Aug, 05:00

Vulnerabilities

• CVE-2026-91131