CVE-2026-42952CWE-307

Hydro-Québec Le Circuit Electrique charging station backend Improper Restriction of Excessive Authentication Attempts

High · published July 10, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
44.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
EPSS
0.00537 · 44.5th percentile
Weakness
CWE-307 · Improper Restriction of Excessive Authentication Attempts
Published
2026-07-10T22:09Z
EPSS history
Timeline
  • 10 JUL 22:09Z
    Hydro-Québec Le Circuit Electrique charging station backend Improper Restriction of Excessive Authentication Attempts
    cvelistv5