OS Command Injection Vulnerability in XWEB Pro by Dixell
CVE-2026-21389

8HIGH

Key Information:

Vendor

Copeland

Status
Copeland Xweb 300d Pro
Copeland Xweb 500d Pro
Copeland Xweb 500b Pro
Vendor
CVE Published:
27 February 2026

What is CVE-2026-21389?

An OS command injection vulnerability exists in XWEB Pro, allowing an authenticated attacker to inject malicious commands through the request body sent to the contacts import route. This weakness can lead to unauthorized remote code execution on the affected systems, compromising confidentiality, integrity, and availability.

Affected Version(s)

Copeland XWEB 300D PRO 0 <= 1.12.1

Copeland XWEB 500B PRO 0 <= 1.12.1

Copeland XWEB 500D PRO 0 <= 1.12.1

References

https://webapps.copeland.com/Dixell/Pages/SystemSoftwareU...
https://www.cisa.gov/news-events/ics-advisories/icsa-26-0...
https://github.com/cisagov/CSAF/blob/develop/csaf_files/O...

CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Amir Zaltzman and Noam Moshe of Claroty Team82 reported this vulnerability to CISA.
.