CVE-2026-91129
ZDI-26-562: (Pwn2Own) Home Assistant Green mDNS Server-Side Request Forgery Vulnerability
Published Aug 12, 2026
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-2026-91129.
Timeline
Detection, updates, and resolution for this record.
Aug 12, 2026 · Catalog
Detected
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-2026-91129.
Sources
- CVE.orgCVE-2026-91129
Official CVE identifier
cve.org - FIRST EPSSCVE-2026-91129
30-day exploitation probability 0.2%
first.org - Zero Day InitiativeZDI-26-562
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-2026-91129.
zerodayinitiative.com