P4Verified

CVE-2026-64825: Home Assistant Core 0 to before 2026.6.0

CVE-2026-64825. CVSS 3.1 base score 9.3 (CRITICAL, Vendor/CNA). EPSS 0.0058 (percentile 0.45855), scored 2026-10-06.

Affected technology

Home Assistant Core · 0 to before 2026.6.0
home-assistant

Description’s affected range: before 2026.6.0

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Unauthenticated attackers can write arbitrary files to any directory on the host filesystem by uploading a crafted backup archive during the initial onboarding window. Vendor/CNA’s CVSS 4.0 assessment (base score 9.0/10) rates confidentiality impact as none; integrity impact as high; availability impact as low.

Published 2026-10-08 17:34:44.763076+00:00

CWE: CWE-22
CCR priority: 37.3 /100 (P4)
CVSS 3.1: 9.3 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:L · Vendor/CNA
EPSS: 0.0058 · percentile 0.45963 · 2026-10-08
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-08 17:36:22.845483+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-08 17:32:11.049884+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-64825.html