CVE-2026-71259

HighCVSS 8.6/10Last modified Aug 26, 2026

Description

ESPHome through 2026.7.0-dev contains an operator-precedence bug in the cv.url validator in esphome/config_validation.py. Because binds tighter than , any file: URI passes validation regardless of netloc. This validator gates the field of the external_components YAML directive's git source schema, which is passed to (git supports file:// natively).

Metrics

CVSS 3.1 8.6/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-184

Affected software

No affected versions have been published.

Timeline

Published: Aug 5, 2026
Last modified: Aug 26, 2026
NVD status: Deferred

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