CVE-2026-71453: Johnson Controls EasyIO FS32 path traversal

CVE-2026-71453 · Severity: info · Published 2026-10-01

Johnson Controls EasyIO FS32 is a building automation control system used to manage HVAC and facility equipment. An external attacker can manipulate file paths to read or write arbitrary files on the system, potentially compromising building operations, accessing sensitive configuration data, or installing malicious code.

Technologies: Johnson Controls EasyIO FS32. Vendors: Johnson Controls.

Quick answers

Is CVE-2026-71453 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-71453 being exploited in the wild.
How severe is CVE-2026-71453?
Informational severity, published 1 October 2026.
Which products and versions are affected?
Johnson Controls EasyIO FS32 before 3.0b63.
Is there a fix for CVE-2026-71453?
Yes: fixed in 3.0b63. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-71453 attacked?
It is in a network appliance.
Am I affected by CVE-2026-71453?
Check whether you run Johnson Controls EasyIO FS32 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.

How to fix

  • Fixed in: 3.0b63

Technical details

External control of file name or path vulnerability allows a path traversal attack in EasyIO FS32 before version 3.0b63. The vulnerability permits an attacker to access files outside intended directories. This could be exploited remotely if the affected component is accessible over a network.

Affected products

  • Johnson Controls EasyIO FS32 before 3.0b63

References

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