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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.

PUBLISHED Reserved 2026-02-05 | Published 2026-02-27 | Updated 2026-03-02 | Assigner icscert




CRITICAL: 10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Problem types

CWE-327

Product status

Default status
unaffected

Any version
affected

Default status
unaffected

Any version
affected

Default status
unaffected

Any version
affected

Credits

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

References

webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate

www.cisa.gov/news-events/ics-advisories/icsa-26-057-10

github.com/...p/csaf_files/OT/white/2026/icsa-26-057-10.json

cve.org (CVE-2026-21718)

nvd.nist.gov (CVE-2026-21718)

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