CVE-2021-47942

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/hacs/integration	Product
https://www.exploit-db.com/exploits/49495	Exploit
https://www.home-assistant.io/	Product
https://www.vulncheck.com/advisories/home-assistant-community-store-path-traversal-account-takeover	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:hacs:home_assistant_community_store:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-05-16 16:16

Updated : 2026-06-17 04:18

NVD link : CVE-2021-47942

Mitre link : CVE-2021-47942

CVE.ORG link : CVE-2021-47942

JSON object : View

Products Affected

hacs

home_assistant_community_store

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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