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Hard-coded CredentialsWeakness · CWE-798

CVE-2026-13768

CRITICAL · 10.0 CVSS v3.1 Published 2026-07-03
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click 7 weeks old

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Gardyn devices expose a privileged iothubowner key. Access to this key will allow a malicious user to invoke an IoTHub Registry Manager function which returns connection information for all Gardyn Home Kit and Studio devices. Access to this key also allows a malicious user to execute arbitrary commands on a specific connected device and may allow the malicious user to pivot to other devices on the user's network.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

Gardyn smart garden devices expose a privileged iothubowner key in their configuration or firmware. This key provides full administrative access to the Azure IoT Hub instance, allowing attackers to enumerate all connected devices and retrieve their connection credentials, execute arbitrary commands on any device, and potentially pivot to the user's local network.

MitigationImmediately rotate the exposed IoTHub credentials, revoke the compromised key, implement proper secret management, and review network segmentation between IoT devices and internal networks to prevent lateral movement.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Inspect device configuration files for exposed IoT Hub credentials
    Locate and review configuration files on the Gardyn device (typically in /etc, /config, or application data directories). Search for strings containing 'iothubowner', 'IoTHub', 'SharedAccessKey', or Azure IoT Hub connection strings.
    Affected if A privileged iothubowner key or full IoT Hub connection string is found in plain text within configuration files.
  2. Extract and analyze firmware for embedded keys
    If firmware images are accessible (via firmware updates, OTA packages, or device extraction), extract the filesystem (using binwalk or similar tools) and search for IoT Hub credentials using grep for patterns like 'iothubowner', 'RegistryManager', or base64-encoded connection strings.
    Affected if The iothubowner key is found embedded in the firmware image in plain text or easily decodable format.
  3. Check environment variables for IoT credentials
    On the device (if SSH or debugging access is available), run 'env' or inspect /proc/*/environ to list environment variables. Search for variables containing 'IOT', 'HUB', 'AZURE', or 'CONNECTION_STRING'.
    Affected if IoT Hub connection strings or keys are stored as environment variables on the device.
  4. Review network exports or backup files
    Examine any exported configuration files, network shares, or backup archives associated with the Gardyn device. Look for JSON, XML, or config files that may contain Azure IoT Hub connection metadata.
    Affected if Backup or export files contain the iothubowner key or IoT Hub connection strings in plain text.

The device is affected if an iothubowner key or Azure IoT Hub connection string with full registry manager privileges is found exposed in configuration files, firmware, environment variables, or backup exports.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Immediately rotate the exposed IoTHub credentials, revoke the compromised key, implement proper secret management, and review network segmentation between IoT devices and internal networks to prevent lateral movement.

Have this fixed Scoped from the published advisory
  • Consultation6.0 h
  • Implementation12.0 h
  • Testing6.0 h
  • Review / QA3.0 h
27.0 hours of engineering $4,800
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2026-13768 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
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