High 8.2Published Feb 20, 2026

CVE-2026-24790Welker OdorEyes EcoSystem Pulse Bypass System with XL4 Controller Missing Authentication for Critical Function

Updated under an hour ago (Oct 27, 2026, 8:40 PM ET)

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It affects Welker OdorEyes EcoSystem Pulse Bypass System with XL4 Controller. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Welker OdorEyes EcoSystem Pulse Bypass System with XL4 Controller

Exploited in the last 30 days

The underlying PLC of the device can be remotely influenced, without proper safeguards or authentication.

CVSS: 8.2 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
Weakness (CWE): CWE-306
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: icscert
NVD analysis: Deferred
Record last updated: Feb 20, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Welker OdorEyes EcoSystem Pulse Bypass System with XL4 Controller welker:odoreyes_ecosystem_pulse_bypass_system_with_xl4_controller (from the name)	all versions	CNA record

References

References

https://www.welker.com/contact-us/welker-team
https://www.cisa.gov/news-events/ics-advisories/icsa-26-050-04
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-050-04.json

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.