SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAwaiting Analysis

CVE-2026-34498

Improper input validation vulnerability in Johnson Controls Illustra Standard - L4L China on Windows allows OS Command Injection.

MEDIUM 5.1EPSS 0.69%

Does this matter?

Lower severity and a low EPSS score (0.69%). Track it; it rarely justifies an emergency change on its own.

Description

Improper input validation vulnerability in Johnson Controls Illustra Standard - L4L China on Windows allows OS Command Injection. This issue affects Illustra Standard - L4L China: before 6.0.0.66394.

CVSS 4.0
5.1 MEDIUMCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:H/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
0.69% probability · 52th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-20
Source
productsecurity@jci.com
EPSS trend
0%3%5%7 October 2026: 0.69%26 October 2026: 0.69%7 October 202626 October 2026

EPSS moved from 0.7% on 7 October 2026 to 0.7% on 26 October 2026.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.