CVE-2026-4436

A low-privileged remote attacker can send Modbus packets to manipulate register values that are inputs to the odorant injection logic such that too much or too little odorant is injected into a gas line.

CVSS v3 8.6 HIGH

8.6^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-099-02.json
https://lincenergysystems-my.sharepoint.com/:f:/p/h_baer/IgDYaHIhXpyLQJvnKPd6b80TAUgV7Lp8qmVYBFUb0lmr7ak?e=JLeADm
https://www.cisa.gov/news-events/ics-advisories/icsa-26-099-02

Configurations

No configuration.

History

No history.

Information

Published : 2026-04-09 20:16

Updated : 2026-06-17 10:56

NVD link : CVE-2026-4436

Mitre link : CVE-2026-4436

CVE.ORG link : CVE-2026-4436

JSON object : View

Products Affected

No product.

CWE

CWE-306

Missing Authentication for Critical Function

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