CVE-2026-4436
8.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| GPL Odorizers | GPL750 (XL4) | v1.0 < v6.0 | affected |
| GPL Odorizers | GPL750 (XL4 Prime) | v4.0 < v6.0 | affected |
| GPL Odorizers | GPL Odorizers GPL750 (XL7) | v13.0 < v20.0 | affected |
| GPL Odorizers | GPL Odorizers GPL750 (XL7 Prime) | v18.4 < v20.0 | affected |
Weaknesses
- CWE-306: CWE-306
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
- https://lincenergysystems-my.sharepoint.com/:f:/p/h_baer/IgDYaHIhXpyLQJvnKPd6b80TAUgV7Lp8qmVYBFUb0lmr7ak?e=JLeADm
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-099-02
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-099-02.json
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