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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
NVD MITRE
EPSS Score
0.5%
Top 61.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
OpenVAS

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

AV:NAC:LPR:NUI:NS:UC:HI:NA:N
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, home-assistant.io
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
View detailed technique mapping

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 →
News mentions
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