Path Traversal in Home-assistant Home Assistant Core

CVE-2026-64825

Home Assistant Core before 2026.6.0 contains a path traversal vulnerability that allows unauthenticated attackers to write arbitrary files to any directory on the host filesystem by uploading a crafted backup archive during the initial onb…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-64825?
CVE-2026-64825 is a critical-severity vulnerability in Home-assistant Home Assistant Core, classified under Path Traversal. CVSS score: 9.3/10. Published 2026-07-21.
How severe is CVE-2026-64825?
Critical severity. CVSS v3 base score is 9.3 out of 10.