CVE-2021-47942

7.5 HIGH

Home Assistant Community Store (HACS) prior to 1.10.0 contains a path traversal vulnerability that allows unauthenticated attackers to re...

Published: 2026-05-16 · Last updated: 2026-05-27

Severity and scoring

CVSS: 7.5 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE: CWE-22

Affected products

Vendor	Product
hacs	home_assistant_community_store

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.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-47942
[Other]https://github.com/hacs/integration
[Exploit reference]https://www.exploit-db.com/exploits/49495
[Other]https://www.home-assistant.io/
[Other]https://www.vulncheck.com/advisories/home-assistant-community-store-path-traversal-account-takeover

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