CVE-2026-29091HIGH 8.1EPSS p45.3%

CVE-2026-29091CVE-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.

Scoring

CVSS 3.18.1 (HIGH)
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.63% probability of exploitation · percentile 45.3% · 2026-06-18T12:00:27Z
Published2026-03-06
Last modified2026-03-13

Underlying weaknesses· 1

CWE-95

References

  1. https://github.com/locutusjs/locutus/commit/977a1fb169441e35996a1d2465b512322de500ad
  2. https://github.com/locutusjs/locutus/security/advisories/GHSA-fp25-p6mj-qqg6
  3. https://github.com/locutusjs/locutus/security/advisories/GHSA-fp25-p6mj-qqg6

1

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')cwe-950%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.