CVE-2026-21718 (GCVE-0-2026-21718)

Vulnerability from cvelistv5 – Published: 2026-02-27 00:34 – Updated: 2026-03-02 18:58
VLAI?
Title
Copeland XWEB and XWEB Pro Use of a Broken or Risky Cryptographic Algorithm
Summary
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.
Severity ?
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
Copeland Copeland XWEB 300D PRO Affected: 0 , ≤ 1.12.1 (custom)
Create a notification for this product.
Credits
Amir Zaltzman and Noam Moshe of Claroty Team82 reported this vulnerability to CISA.
Show details on NVD website
To clipboard 

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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.