Unrated severityNVD Advisory· Published Feb 27, 2026· Updated Mar 2, 2026

Copeland XWEB and XWEB Pro Use of a Broken or Risky Cryptographic Algorithm

CVE-2026-21718

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.

Affected products

Copeland/XWEB Prollm-fuzzy
Range: <=1.12.1
Copeland/Copeland XWEB 300D PROv5
Range: 0
Copeland/Copeland XWEB 500B PROv5
Range: 0
Copeland/Copeland XWEB 500D PROv5
Range: 0

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-10.jsonmitre
webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdatemitre
www.cisa.gov/news-events/ics-advisories/icsa-26-057-10mitre

News mentions

No linked articles in our index yet.

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