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Welker OdorEyes EcoSystem Pulse Bypass System Vulnerability Alert

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By ictsec.pl
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Welker OdorEyes EcoSystem Pulse Bypass System Vulnerability Alert

Welker OdorEyes EcoSystem Pulse Bypass System Vulnerability Alert 🚨

Published Date: February 19, 2026

A critical vulnerability has been identified in the Welker OdorEyes EcoSystem Pulse Bypass System with XL4 Controller. Successful exploitation of this vulnerability could lead to an over- or under-odorization event. The affected versions include all variants of the OdorEyes EcoSystem Pulse Bypass System with XL4 Controller (CVE-2026-24790).

Key Details:

  • Vulnerability ID: CVE-2026-24790
  • CWE: 306 Missing Authentication for Critical Function
  • Affected Sectors: Chemical, Critical Manufacturing, Energy, Food and Agriculture 🌍

CISA has attempted to coordinate with Welker regarding this issue but has not received a response. Users are strongly encouraged to contact Welker and ensure their systems are updated to mitigate risks.

  • Minimize network exposure for all control system devices.
  • Ensure devices are not accessible from the internet.
  • Use firewalls to isolate control system networks from business networks.
  • When remote access is necessary, utilize secure methods such as VPNs. Remember, VPNs should be kept up to date to maintain security.

CISA also advises organizations to conduct proper impact analysis and risk assessments before implementing defensive measures. For more information on cybersecurity best practices, visit the CISA ICS webpage.

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