by Kastro
Paper/Archive/CVE-2026-1201

CVE-2026-1201

Hubitat Elevation C3 — Authorization Bypass Through User-Controlled Key in Hubitat Elevation Hubs

EPSS 0.5%CVSS 9.4
critical.is priorityof 100
36
CVSS 9.4 (CNA)9.4 / 10 × 3028.2Not in CISA KEV+300.0EPSS percentile 40.9.409 × 208.2No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

An Authorization Bypass Through User-Controlled Key vulnerability in Hubitat Elevation home automation controllers prior to version 2.4.2.157 could allow a remote authenticated user to control connected devices outside of their authorized scope via client-side request manipulation.

Affected

ProductAffectedFixed inSource
Elevation C3< 2.4.2.1572.4.2.157CNA
Elevation C4< 2.4.2.1572.4.2.157CNA
Elevation C5< 2.4.2.1572.4.2.157CNA
Elevation C7< 2.4.2.1572.4.2.157CNA
Elevation C8< 2.4.2.1572.4.2.157CNA
Elevation C8 pro< 2.4.2.1572.4.2.157CNA

Scores by source

icscert (CNA)9.4CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refcisa.gov/news-events/ics-advisories/icsa-26-022-06writeupostrichlab.io/research-blog/?post=hubitat_writeup