PT-2026-57339 · Hydro Québec · Le Circuit Electrique Charging Station Backend

Published 2026-07-10 · Updated 2026-07-10 · CVE-2026-42952

NVD

CVSS v3.1

7.5

High

Base vector

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

Previously, there was no throttling on repeated authentication attempts to the charging station backend, which could allow an attacker to execute a denial-of-service attack.

Fix

Improper Restriction of Excessive Authentication Attempts

Weakness Enumeration

CWE-307

Related Identifiers

CVE-2026-42952

Affected Products

Le Circuit Electrique Charging Station Backend

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-42952 · 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