Description

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.

INFO

Published Date :

2026-02-27T00:34:55.895Z

Last Modified :

2026-03-02T18:58:23.373Z

Source :

icscert
AFFECTED PRODUCTS

The following products are affected by CVE-2026-21718 vulnerability.

Vendors Products
Copeland
  • Copeland Xweb 300d Pro
  • Copeland Xweb 500b Pro
  • Copeland Xweb 500d Pro
  • Xweb 300d Pro
  • Xweb 300d Pro Firmware
  • Xweb 500b Pro
  • Xweb 500b Pro Firmware
  • Xweb 500d Pro
  • Xweb 500d Pro Firmware
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-21718.

URL Resource
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-10.json cve-icon cve-icon
https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate cve-icon cve-icon
https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-10 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact