CVE-2026-29091

HighCVSS 8.1/10Last modified Jul 15, 2026

Description

Locutus brings stdlibs of other programming languages to JavaScript for educational purposes. Prior to version 3.0.0, a remote code execution (RCE) flaw was discovered in the locutus project, specifically within the call_user_func_array function implementation. The vulnerability allows an attacker to inject arbitrary JavaScript code into the application's runtime environment. This issue stems from an insecure implementation of the call_user_func_array function (and its wrapper call_user_func), which fails to properly validate all components of a callback array before passing them to eval(). This issue has been patched in version 3.0.0.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-95CWE-94

Affected software

No affected versions have been published.

Timeline

Published
Mar 6, 2026
Last modified
Jul 15, 2026
NVD status
Modified

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CVE-2026-29091: High severity, CVSS 8.1 | Vulnix