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Home Assistant Core vulnerable to Path Traversal via backup upload during onboarding

🗓️ 19 Aug 2026 11:56:25Reported by Python Packaging AdvisoryType 
pypa
 pypa
🔗 github.com👁 4 Views

Path traversal in Home Assistant Core before 2026.6.0 lets unauthenticated attackers write arbitrary files anywhere on the host filesystem during onboarding.

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19 Aug 2026 12:16Current
5.5Medium risk
Vulners AI Score5.5
CVSS 49
CVSS 3.19.3
EPSS0.00482
SSVC
4