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.
Published:May 16, 2026
Last Modified:May 27, 2026
EPS:May 16, 2026
EPSS Score:0.00171
CVSS Score:7.5
Affected Products
Vendor
Product
Action
Vendor
Hacs
Product
Home Assistant Community Store
Hacs
Home Assistant Community Store
Vendor
Home-assistant
Product
Home Assistant Community Store
Home-assistant
Home Assistant Community Store
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
