CVE-2026-64894: Johnson Controls EasyIO Neo IOManager inclusion of untrusted functionality

CVE-2026-64894 · Severity: info · Published 2026-11-06

Johnson Controls EasyIO Neo IOManager is a building automation management tool used to control HVAC and facility systems. A vulnerability allows attackers to inject malicious software updates through untrusted sources, potentially compromising building infrastructure and facility operations. An attacker could gain control of connected HVAC, fire suppression, or security systems across an entire facility.

Technologies: Johnson Controls EasyIO Neo Tools Installer. Vendors: Johnson Controls.

Quick answers

Is CVE-2026-64894 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-64894 being exploited in the wild.
How severe is CVE-2026-64894?
Informational severity, published 6 November 2026.
Which products and versions are affected?
Johnson Controls EasyIO Neo IOManager 1.1.0.0; Johnson Controls EasyIO Neo Tools Installer 1.1.0.0.
Is there a fix for CVE-2026-64894?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-64894 attacked?
It is in a network appliance.
Am I affected by CVE-2026-64894?
Check whether you run Johnson Controls EasyIO Neo IOManager or Johnson Controls EasyIO Neo Tools Installer at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The vulnerability is an inclusion of functionality from untrusted control sphere (CWE-829) in the IOManager and Tools Installer, allowing malicious software update injection. The issue affects version 1.1.0.0 and stems from insufficient validation of update sources or integrity checks before applying system updates. An attacker with network access could supply a malicious update to compromise the system.

Affected products

  • Johnson Controls EasyIO Neo IOManager 1.1.0.0
  • Johnson Controls EasyIO Neo Tools Installer 1.1.0.0

Timeline

  • 2026-11-06: disclosed

References

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