An authentication bypass vulnerability exists in Copeland XWEB Pro
version 1.12.1 and prior, enabling any attackers to bypass the
authentication requirement and achieve pre-authenticated code execution
on the system.

Published: 2026-02-27

CVSS: 10.0

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

Download CVE-2026-21718 POC (Proof-of-Concept) here:

Tip: Download official Tor Browser at https://www.torproject.org/download/ to access .onion links.

Check our portfolio:

https://dnacompany.com/poc-590-cve-2026-2786/

https://dnacompany.com/poc-856-cve-2026-26266/

https://dnacompany.com/poc-533-cve-2026-23693/

https://dnacompany.com/poc-843-cve-2025-70241/