CVE-2026-64824

HIGH

Home Assistant Core < 2026.7.0 Symlink Path Traversal RCE via backup-restore

Title source: cna
STIX 2.1

Description

Home Assistant Core before 2026.7.0 contains a path traversal vulnerability in the backup-restore function that allows attackers to write files to arbitrary absolute filesystem paths by supplying a crafted tar archive with a SYMTYPE entry containing a benign member name paired with an absolute linkname pointing outside the extraction directory. Because the official Docker image runs the Home Assistant process as root and the subsequent regular-file entry is written through the unvalidated symlink, attackers can achieve remote code execution by overwriting auto-imported Python paths such as site-packages/sitecustomize.py or custom component directories.

Scores

CVSS v3 8.4
EPSS 0.0058
EPSS Percentile 44.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-22
Status published
Products (1)
home-assistant/Home Assistant Core < 2026.7.0
Published Jul 21, 2026
Tracked Since Jul 21, 2026