CVE-2026-25521

HIGH

8.8

Beschreibung

Locutus brings stdlibs of other programming languages to JavaScript for educational purposes. In versions from 2.0.12 to before 2.0.39, a prototype pollution vulnerability exists in locutus. Despite a previous fix that attempted to mitigate prototype pollution by checking whether user input contained a forbidden key, it is still possible to pollute Object.prototype via a crafted input using String.prototype. This issue has been patched in version 2.0.39.

CVE Details

CVSS v3.1 Bewertung8.8

SchweregradHIGH

CVSS VektorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

AngriffsvektorLOCAL

KomplexitatLOW

Erforderliche PrivilegienLOW

BenutzerinteraktionNONE

Veroffentlicht2/4/2026

Zuletzt geandert2/20/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

locutus:locutus

Schwachen (CWE)

CWE-1321

Referenzen

https://github.com/locutusjs/locutus/commit/042af9ca7fde2ff599120783e720a17f335bb01c(security-advisories@github.com)

https://github.com/locutusjs/locutus/security/advisories/GHSA-rxrv-835q-v5mh(security-advisories@github.com)

IOC Korrelationen

Keine Korrelationen erfasst

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