CVE-2026-1201
CVE-2026-1201 is a critical-severity vulnerability with a CVSS 4.0 base score of 9.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.
Key facts
- Severity: Critical (CVSS 4.0 base score 9.4)
- EPSS exploit prediction: 0% (37th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-4204
- Weakness: CWE-639
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2026-1201?
- 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.
- How severe is CVE-2026-1201?
- CVE-2026-1201 has a CVSS 4.0 base score of 9.4, rated critical severity.
- Is CVE-2026-1201 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-1201?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2026-1201 have an EU (EUVD) identifier?
- Yes. CVE-2026-1201 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4204.
- When was CVE-2026-1201 published?
- CVE-2026-1201 was published on 2026-01-22 and last updated on 2026-06-17.
References
- https://ostrichlab.io/research-blog/?post=hubitat_writeup
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-022-06
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