CVE-2025-26386

Johnson Controls iSTAR Configuration Utility (ICU) has Stack-based Buffer Overflow vulnerability. This issue affects iSTAR Configuration Utility (ICU) version 6.9.7 and prior. Successful exploitation of this vulnerability could result in failure within the operating system of the machine hosting the ICU tool.

• CWE-121

• https://www.cisa.gov/news-events/ics-advisories/icsa-26-022-04
• https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories

Published

Jan 28, 2026

Last Modified

Jun 17, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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