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CVE

CWE

Training

CVE-2021-47942

Published: May 16, 2026

Modified: May 25, 2026

PUBLISHED

CVSS v3.1

7.5

HIGH

Description

Home Assistant Community Store (HACS) prior to 1.10.0 contains a path traversal vulnerability that allows unauthenticated attackers to read sensitive files by traversing directories via the /hacsfiles/ endpoint. Attackers can retrieve the .storage/auth file containing user credentials and refresh tokens, then craft valid JWT tokens to gain administrative access to Home Assistant instances.

Vendor	Product	Versions
Home-Assistant	Home Assistant Community Store (HACS)	affected `0 - < 1.10.0`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

References

ExploitDB-49495

exploit

Official Product Homepage

product

Product Reference

product

VulnCheck Advisory: Home Assistant Community Store 1.10.0 Path Traversal Account Takeover

third-party-advisory

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