CVE-2025-65713 — Home Assistant Core before v2025.8.0 is vulnerable to Directory Traversal

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MEDIUM

Home Assistant Core before v2025.8.0 is vulnerable to Directory Traversal

Published Dec 23, 2025

6.9

MEDIUM

CVSS 4.0

EPSS 0.40%

Description

Home Assistant Core before v2025.8.0 is vulnerable to Directory Traversal. The Downloader integration does not fully validate file paths during concatenation, leaving a path traversal vulnerability.

Affected products

Remediation

No remediation recorded yet.

Metrics

0.40% 0.00405

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00405

Score over time

2025–2026

EPSS v4
EPSS v5

Percentile over time

EPSS v4
EPSS v5

Table of values (3 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.40% (0.00405)	32.30th	v5 (v2026.06.15)
Jun 15, 2026	0.36% (0.00362)	27.80th	v5 (v2026.06.15)
Dec 24, 2025	0.01% (0.00014)	2.00th	v4 (v2025.03.14)

Weaknesses (1)

CWE-22

Path Traversal

References (7)

Link	Providers	Tags
https://gist.github.com/GenoWang/7359360285e0fe21a7a58d10ff71d032		ExploitThird Party Advisory
https://github.com/advisories/GHSA-pp3g-xmm4-5cw9		Advisory
https://github.com/home-assistant/core/blob/a4d12694dae82f10e2ca9c524e44a22ab7dacf66/homeassistant/components/downloader/services.py#L32
https://github.com/home-assistant/core/blob/a4d12694dae82f10e2ca9c524e44a22ab7dacf66/homeassistant/util/__init__.py#L20
https://github.com/home-assistant/core/blob/a4d12694dae82f10e2ca9c524e44a22ab7dacf66/homeassistant/util/__init__.py#L32-L38
https://github.com/home-assistant/core/pull/150046		Issue TrackingPatch
https://nvd.nist.gov/vuln/detail/CVE-2025-65713