CVE-2026-18808

Unauthenticated Remote Code Execution via Code Injection in Klemsan's KIO

Published Sep 1, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Klemsan Electrical Electronics
Klemsan Electrical Electronics kio (klemsan Internet Objects)
Vendors & Products Klemsan Electrical Electronics
Klemsan Electrical Electronics kio (klemsan Internet Objects)
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Unauthenticated Remote Code Execution via Code Injection in Klemsan's KIO
Weaknesses CWE-94
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
TR-CERT
Published
Updated
Sep 1, 2026, 3:43 PM
Reserved
Aug 4, 2026, 12:25 PM
Status
Deferred
Published
Sep 1, 2026, 2:17 PM
Modified
Sep 1, 2026, 4:16 PM