VYPR
High severityNVD Advisory· Published Mar 6, 2026· Updated Mar 6, 2026

Locutus: Remote Code Execution (RCE) in locutus call_user_func_array due to Code Injection

CVE-2026-29091

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.

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
locutusnpm
< 3.0.03.0.0

Affected products

2

Patches

Vulnerability mechanics

References

6

News mentions

0

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