CVE-2026-20744CWE-284

Hydro-Québec Le Circuit Electrique charging station backend Improper Access Control

Critical · published July 10, 2026

CVSS v4.0
9.3
EPSS
1%
Percentile
54.7
In the wild
Unconfirmed
What it is

The charging station websocket endpoint accepts connections without

proper authentication, which could lead to privilege escalation.

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00758 · 54.7th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-07-10T22:07Z
EPSS history
Timeline
  • 10 JUL 22:07Z
    Hydro-Québec Le Circuit Electrique charging station backend Improper Access Control
    cvelistv5