Vulnerability details

CVE-2026-42952

Hydro-Québec Le Circuit Electrique charging station backend

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

CVSS 4.0
8.7High

Official description

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.

CVSS scores

ScoreVersionSourceVector
8.7High 4.0 CVEProject cvelistV5 (CNA) (icscert) 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
7.5High 3.1 CVEProject cvelistV5 (CNA) (icscert) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

VendorProductVersionsSource
Hydro-Québec Le Circuit Electrique charging station backend v < June_2026 CVEProject cvelistV5 (CNA)

References and advisories

3
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Details

Published
2026-07-11
Last updated
2026-07-14
State
Published
Assigner (CNA)
icscert

Exploit prediction (EPSS)

0.53%
Probability of exploitation in 30 days
45.5%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
Yes
Exploitation
None
Technical impact
Partial

Weaknesses (CWE)

  • CWE-307