PT-2026-57338 · Hydro Québec · Le Circuit Electrique Charging Station Backend

Published 2026-07-10 · Updated 2026-07-10 · CVE-2026-20744

Mitre

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

The charging station websocket endpoint accepts connections without proper authentication, which could lead to privilege escalation.

Fix

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

CVE-2026-20744

Affected Products

Le Circuit Electrique Charging Station Backend

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-20744 · Security Note
• https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-188-01.json · Note
• https://hydroquebec.com/nous-joindre · Note
• https://cisa.gov/news-events/ics-advisories/icsa-26-188-01 · Note