CVE-2026-4436HIGH 8.6EPSS p35.6%

CVE-2026-4436CVE-2026-4436

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.

Scoring

CVSS 3.18.6 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
EPSS0.45% probability of exploitation · percentile 35.6% · 2026-06-18T12:00:27Z
Published2026-04-09
Last modified2026-04-13

Underlying weaknesses· 1

CWE-306

References

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

1

TypeTargetConfidenceTier
WeaknessMissing Authentication for Critical Functioncwe-3060%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
CVE-2025-48466
CVE
CVE-2025-41709
CVE
CVE-2026-24790
CVE
CVE-2026-25293
CVE
CVE-2025-2567
CVE
CVE-2026-24060
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.