CVE-2026-4436CWE-306

GPL Odorizers GPL750 Missing Authentication for Critical Function

High · published April 9, 2026

CVSS v3.1
8.6
EPSS
1%
Percentile
45.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.6 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00549 · 45.2th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2026-04-09T20:04Z
EPSS history
Timeline
  • 09 APR 20:04Z
    GPL Odorizers GPL750 Missing Authentication for Critical Function
    cvelistv5