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Vulnerability Details :

CVE-2026-24790

Summary
Assigner-icscert
Assigner Org ID-7d14cffa-0d7d-4270-9dc0-52cabd5a23a6
Published At-20 Feb, 2026 | 16:15
Updated At-20 Feb, 2026 | 18:59
Rejected At-
Credits

Welker OdorEyes EcoSystem Pulse Bypass System with XL4 Controller Missing Authentication for Critical Function

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

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:icscert
Assigner Org ID:7d14cffa-0d7d-4270-9dc0-52cabd5a23a6
Published At:20 Feb, 2026 | 16:15
Updated At:20 Feb, 2026 | 18:59
Rejected At:
▼CVE Numbering Authority (CNA)
Welker OdorEyes EcoSystem Pulse Bypass System with XL4 Controller Missing Authentication for Critical Function

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

Affected Products
Vendor
Welker
Product
OdorEyes EcoSystem Pulse Bypass System with XL4 Controller
Default Status
unaffected
Versions
Affected
  • All versions
Problem Types
TypeCWE IDDescription
CWECWE-306CWE-306
Type: CWE
CWE ID: CWE-306
Description: CWE-306
Metrics
VersionBase scoreBase severityVector
3.18.2HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
Version: 3.1
Base score: 8.2
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds

Welker did not respond to CISA's attempts at coordination. Users of Welker OdorEyes devices are encouraged to contact Welker and keep their systems up to date.

Exploits
Credits
finder
A project sponsored by DHS S&T reported this vulnerability to CISA.
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.welker.com/contact-us/welker-team
N/A
https://www.cisa.gov/news-events/ics-advisories/icsa-26-050-04
N/A
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-050-04.json
N/A
Hyperlink: https://www.welker.com/contact-us/welker-team
Resource: N/A
Hyperlink: https://www.cisa.gov/news-events/ics-advisories/icsa-26-050-04
Resource: N/A
Hyperlink: https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-050-04.json
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:ics-cert@hq.dhs.gov
Published At:20 Feb, 2026 | 17:25
Updated At:20 Feb, 2026 | 18:57

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

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.18.2HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
Type: Secondary
Version: 3.1
Base score: 8.2
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-306Primaryics-cert@hq.dhs.gov
CWE ID: CWE-306
Type: Primary
Source: ics-cert@hq.dhs.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-050-04.jsonics-cert@hq.dhs.gov
N/A
https://www.cisa.gov/news-events/ics-advisories/icsa-26-050-04ics-cert@hq.dhs.gov
N/A
https://www.welker.com/contact-us/welker-teamics-cert@hq.dhs.gov
N/A
Hyperlink: https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-050-04.json
Source: ics-cert@hq.dhs.gov
Resource: N/A
Hyperlink: https://www.cisa.gov/news-events/ics-advisories/icsa-26-050-04
Source: ics-cert@hq.dhs.gov
Resource: N/A
Hyperlink: https://www.welker.com/contact-us/welker-team
Source: ics-cert@hq.dhs.gov
Resource: N/A

Change History

0
Information is not available yet

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CVE-2023-46381
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.2||HIGH
EPSS-0.14% / 34.46%
||
7 Day CHG~0.00%
Published-04 Nov, 2023 | 00:00
Updated-04 Nov, 2025 | 20:17
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

LOYTEC LINX-151, LINX-212, LVIS-3ME12-A1, LIOB-586, LIOB-580 V2, LIOB-588, L-INX Configurator devices (all versions) lack authentication for the preinstalled version of LWEB-802 via an lweb802_pre/ URI. An unauthenticated attacker can edit any project (or create a new project) and control its GUI.

Action-Not Available
Vendor-loytecn/a
Product-lvis-3me12-a1_firmwareliob-586linx-212_firmwarelvis-3me12-a1liob-586_firmwarelinx-212n/a
CWE ID-CWE-306
Missing Authentication for Critical Function
Details not found