VULNERABILITY INTELLIGENCE

CVE-2021-47942

CVSS score7.5 HIGH
EPSS probability0.50%
CISA KEVNot currently listed
Published2026-05-16
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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.

Weakness classification

  • disclosure@vulncheck.com: CWE-22

Primary references