Is CVE-2026-18808 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-18808?

CVE-2026-18808 has a CVSS v3 severity of CRITICAL (9.8).

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CVE-2026-18808

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.