CVE•Published 2026-08-05•Modified 2026-08-26•1 article on news•5 live references•NVD data
CVE-2026-71259
Vulnerability data via NVD (ingested)
CVSS v3.1
8.6
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS percentile
2
Exploit Prediction Scoring System · top 98% of all CVEs
Weaknesses (CWE)
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).
Timeline
Published 2026-08-05
Modified 2026-08-26
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-71259Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-71259Censys host search filtered to this CVE id.
grep.app
CVE-2026-71259Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-71259GitHub code search for direct mentions.
Google dork
"CVE-2026-71259" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-71259 on GitHub.