CVE-2021-47942

Home Assistant Community Store 1.10.0 Path Traversal Account Takeover

Published: May 16, 2026Updated: May 27, 2026 Sources: CVE List NVDCWE-22

7.5HIGH

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:NIntegrity

None

A:NAvailability

None

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Weaknesses

CWE-22

Affected Products

Home-Assistant

oss-projectaka homeassistant, home-assistant.io, home assistant

Home Assistant Community Store (HACS)On-prem

ICS / OT / IoT / smart-home

hacs

oss-projectaka home assistant community store

home assistant community storeOn-prem

Web & CMS Plugins

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Collection

Discovery

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References

https://www.exploit-db.com/exploits/49495

exploit-db.com

https://www.home-assistant.io/

home-assistant.io

https://github.com/hacs/integration

github.com

and 1 more references View all →

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