CVE-2026-33994 Locutus Prototype Pollution due to incomplete fix for CVE-2026-25521

Locutus brings stdlibs of other programming languages to JavaScript for educational purposes. Starting in version 2.0.39 and prior to version 3.0.25, a prototype pollution vulnerability exists in the parsestr function of the npm package locutus. An attacker can pollute Object.prototype by...

Locutus 安全漏洞

Locutus is an open-source JavaScript library developed by Locutus. Versions of Locutus from 2.0.39 to 3.0.25 contained security vulnerabilities. These vulnerabilities stemmed from a bypassable prototype pollution protection mechanism in the parsestr function, which could lead to prototype polluti...

GHSA-RXRV-835Q-V5MH locutus is vulnerable to Prototype Pollution

Summary A Prototype Pollution vulnerability exists in the the npm package locutus 2.0.12. 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...