High severity7.5NVD Advisory· Published May 16, 2026· Updated May 27, 2026
CVE-2021-47942
CVE-2021-47942
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- cpe:2.3:a:hacs:home_assistant_community_store:*:*:*:*:*:*:*:*Range: <1.10.0
- Range: <1.10.0
Patches
Vulnerability mechanics
References
3- www.exploit-db.com/exploits/49495nvdExploit
- www.vulncheck.com/advisories/home-assistant-community-store-path-traversal-account-takeovernvdThird Party Advisory
- www.home-assistant.ionvdProduct
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