CVE-2026-18808— Unauthenticated Remote Code Execution via Code Injection in Klemsan's KIO
Quick assessment
Affected
Klemsan Electrical Electronics Inc. KIO (Klemsan Internet Objects)
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.
Klemsan电气电子公司的KIO（Klemsan互联网对象）中存在代码生成控制不当（“代码注入”）漏洞，可导致代码注入。 此问题影响KIO（Klemsan互联网对象）：v1.9之前的版本。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-18808
Vulnerability Information
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Vulnerability Title
Unauthenticated Remote Code Execution via Code Injection in Klemsan's KIO
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Control of Generation of Code ('Code Injection') vulnerability in Klemsan Electrical Electronics Inc. KIO (Klemsan Internet Objects) allows Code Injection.
This issue affects KIO (Klemsan Internet Objects): before v1.9.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Klemsan Electrical Electronics Inc. | KIO (Klemsan Internet Objects) | 0 ~ v1.9 | - |
|
II. Public POCs for CVE-2026-18808
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-18808 (1)
-
https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0963 government-resource
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V. Comments for CVE-2026-18808
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