CVE-2026-34491
Quick assessment
Affected
Johnson Controls Metasys 14
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Johnson Controls Metasys 14是美国Johnson Controls公司的一款自动化控制系统。 Johnson Controls Metasys 14 14.1.5之前版本和Johnson Controls Metasys 15 15.0.1之前版本存在安全漏洞，该漏洞源于网页生成期间输入中和不当，可能导致跨站脚本攻击。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1189 · Drive-by CompromiseAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Johnson Controls | Metasys 14 | < 14.1.5 |
affected |
| Johnson Controls | Metasys 15 | < 15.0.1 |
affected |
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I. Basic Information for CVE-2026-34491
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Johnson Controls Metasys 14 and Johnson Controls Metasys 15 allows Cross Site Scripting.
This issue affects Metasys 14: before 14.1.5; Metasys 15: before 15.0.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Johnson Controls Metasys 14 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Johnson Controls Metasys 14是美国Johnson Controls公司的一款自动化控制系统。 Johnson Controls Metasys 14 14.1.5之前版本和Johnson Controls Metasys 15 15.0.1之前版本存在安全漏洞，该漏洞源于网页生成期间输入中和不当，可能导致跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Johnson Controls | Metasys 14 | 0 ~ 14.1.5 | - |
|
| Johnson Controls | Metasys 15 | 0 ~ 15.0.1 | - |
|
II. Public POCs for CVE-2026-34491
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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