RCE in Klemsan Electrical Electronics Inc. Kio (Klemsan Internet Objects)

CVE-2026-18808

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.

Vulnerability class: RCE (Remote Code Execution)

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-18808?
CVE-2026-18808 is a critical-severity vulnerability in Klemsan Electrical Electronics Inc. Kio (Klemsan Internet Objects), classified under Code Injection. CVSS score: 9.8/10. Published 2026-09-01.
How severe is CVE-2026-18808?
Critical severity. CVSS v3 base score is 9.8 out of 10.