Vulnerability · Published May 16, 2026 · Assigned by VulnCheck

CVE-2021-47942Home Assistant Community Store 1.10.0 Path Traversal Account Takeover

High 7.5

In plain English

A high-severity path traversal in Home Assistant Community Store (HACS) from Home-Assistant. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)0.5%top 57.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Home-Assistant	Home Assistant Community Store (HACS)	0 – before 1.10.0

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

References

ExploitDB-49495 exploit
Official Product Homepage product
Product Reference product
VulnCheck Advisory: Home Assistant Community Store 1.10.0 Path Traversal Account Takeover third-party-advisory