Cyber Resilience

CVE-2026-1201

Critical

Published: 22 January 2026

Published
22 January 2026
Modified
15 April 2026
KEV Added
—
Patch
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CVSS Score v4 9.4 CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0046 36.8th percentile
Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2026-1201 is a critical-severity Authorization Bypass Through User-Controlled Key (CWE-639) vulnerability in Ostrichlab (inferred from references). Its CVSS base score is 9.4 (Critical).

Operationally, ranked at the 36.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

A01:2025 Broken Access Control

EU & UK References

Vulnerability details

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.

CWE(s)
CWE-639

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

Ostrichlab
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inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

AC-24 Access Control Decisions
addresses: CWE-639

Per-request decision making makes it harder to bypass authorization using user-controlled keys without proper validation in the decision process.

AC-3 Access Enforcement
addresses: CWE-639

Consistent enforcement of approved authorizations makes bypassing via user-controlled keys ineffective.

References