CVE-2026-4436
HIGH EPSS 35.8%
Published Apr 9, 20262mo ago · Modified Jun 17, 20261w ago
8.6 CVSS 3.1
Published Apr 9, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago
Description
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 Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Changed
Confidentiality None
Integrity High
Availability None
Threat Intelligence
EPSS Exploit Probability
35.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-306 Missing Authentication for Critical Function Authentication
References 3
- github.com https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-099-02.json
- lincenergysystems-my.sharepoint.com https://lincenergysystems-my.sharepoint.com/:f:/p/h_baer/IgDYaHIhXpyLQJvnKPd6b80TAUgV7Lp8qmVYBFUb0lmr7ak?e=JLeADm
- cisa.gov https://www.cisa.gov/news-events/ics-advisories/icsa-26-099-02
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.