CVE-2026-21718 CRITICAL

CVE-2026-21718: Copeland XWEB and XWEB Pro Use of a Broken or Risky Cryptographic Algorithm

Vendor Copeland
Product Copeland XWEB 300D PRO
Weakness CWE-327 · Broken crypto
Published February 27, 2026
Last update March 2, 2026
View on NVD All CVEs

CVSS base score

10.0/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 27, 2026 CVE published
March 2, 2026 Record updated