Vulnerability · Published Feb 27, 2026 · Assigned by jci
CVE-2026-21659Johnson Controls -Frick Quantum HD-Unauthenticated Remote Code Execution and Information Disclosure due to Local File Inclusion
High 8.7
In plain English
A high-severity security flaw in Frick Controls Quantum HD from Johnson Controls. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities).
Official description
Unauthenticated Remote Code Execution and Information Disclosure due to Local File Inclusion (LFI) vulnerability in Johnson Controls Frick Controls Quantum HD allow an unauthenticated attacker to execute arbitrary code on the affected device, leading to full system compromise. This issue affects Frick Controls Quantum HD: Frick Controls Quantum HD version 10.22 and prior.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Johnson Controls | Frick Controls Quantum HD | Frick Controls Quantum HD version 10.22 and prior |
Weakness: CWE-23 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N