CVE-2026-12216: Svaarala Duktape

Medium severity, CVSS 5.3. EPSS: 0.1% chance of exploitation in the next 30 days.

A weakness has been identified in svaarala duktape up to 2.99.99. This issue affects some unknown processing of the file duk_api_bytecode.c. Executing a manipulation of the argument count_instr can lead to memory corruption. The attack requires local access. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Svaarala Duktape: version 2.99.0 only; version 2.99.1 only; version 2.99.2 only; version 2.99.3 only; version 2.99.4 only; version 2.99.5 only; …

Published 2026-06-15. Last modified 2026-07-24.