Exploit for CVE-2026-25521
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.
Published: 2026-02-04
CVSS: 9.4
CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Download Exploit for CVE-2026-25521 here:
Tip: Download official Tor Browser at https://www.torproject.org/download/ to access .onion links.
Check our portfolio:
https://veletacapital.com/exploit-619-cve-2026-22553/
https://veletacapital.com/exploit-201-cve-2026-2195/
https://veletacapital.com/exploit-24-cve-2026-1432/
