PT-2026-49177 · Svaarala · Duktape

Kunlun · Published 2026-06-15 · Updated 2026-06-15 · CVE-2026-12216

NVD

CVSS v2.0

4.3

Medium

Base vector

AV:L/AC:L/Au:S/C:P/I:P/A:P

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.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2026-12216

Affected Products

Duktape

References · 6

• 🔥 https://github.com/hmKunlun/compileOOB/blob/main/api_bytecode.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-12216 · Security Note
• https://vuldb.com/vuln/370859 · Note
• https://vuldb.com/submit/833814 · Note
• https://vuldb.com/vuln/370859/cti · Note
• https://vuldb.com/cve/CVE-2026-12216 · Note