Security readout for executives and security teams
Plain-English summary
Hubitat Elevation home automation hubs before version 2.4.2.157 have an authorization bypass. An authenticated remote user could manipulate client-side requests to control connected devices beyond their permitted scope. This can affect physical devices tied to the hub, so organizations using these hubs should prioritize verification and update planning.
Executive priority
Treat as high-priority where Hubitat hubs control security, access, lighting, HVAC, or other operational devices. The risk is not proven mass exploitation, but the potential business and physical impact justifies prompt inventory, update validation, and access review.
Technical view
CVE-2026-1201 is CWE-639, Authorization Bypass Through User-Controlled Key. The CVE describes client-side request manipulation by a remote authenticated user, allowing control of connected devices outside authorization scope. CVSS v4.0 is 9.4. The bundle states affected Hubitat Elevation controllers are prior to version 2.4.2.157.
Likely exposure
Exposure is likely limited to Hubitat Elevation hubs running versions before 2.4.2.157 with authenticated remote user access. The provided affected-product table is internally inconsistent, so validate actual models and firmware against CISA and Hubitat guidance.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. Exploitation requires authentication according to the CVE, but could still have high impact because successful misuse may control connected automation devices beyond intended permissions.
Researcher notes
Do not assume all listed models are affected from the bundle alone; the affected table shows defaultStatus “unaffected” while the description says controllers prior to 2.4.2.157. No exploit code or active exploitation evidence is provided in the supplied sources.
Mitigation direction
- Upgrade Hubitat Elevation hubs to version 2.4.2.157 or later if applicable.
- Review CISA advisory and Hubitat guidance for model-specific instructions.
- Limit hub access to trusted users until remediation is confirmed.
- Remove unnecessary authenticated accounts and review assigned permissions.
- Monitor connected-device activity for unexpected control events.
Validation and detection
- Inventory all Hubitat Elevation hubs and their firmware versions.
- Confirm whether any hub runs a version before 2.4.2.157.
- Review which users have remote or authenticated hub access.
- Check whether connected-device permissions match business expectations.
- After updating, confirm the reported firmware version changed successfully.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-639: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-1201 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.4 (4.0)
- Known Exploited
- No
- Published
Vector: 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
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
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——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
9.4CriticalVector: 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
Source materials
- CVE List V5 sourceCVE List V5
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-022-06CVE reference · government-resource
- https://ostrichlab.io/research-blog/?post=hubitat_writeupCVE reference · technical-description, related
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Authorization Bypass Through User-Controlled Key
Authorization Bypass Through User-Controlled Key represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.