CVE-2021-47942
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductHacs Home Assistant Community Store
PublishedMay 16, 2026
First seenMay 16, 2026
Weakness typeCWE-22Path traversal
How to fix
Update
- hacs home_assistant_community_store1.10.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| hacs home_assistant_community_store | v < 1.10.0 | 1.10.0 |
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