CVE-2026-42952— Hydro-Québec Le Circuit Electrique charging station backend Improper Restriction of Excessive Authentication Attempts
Quick assessment
Affected
Hydro-Québec Le Circuit Electrique charging station backend
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Hydro-Québec Le Circuit Electrique charging station backend是加拿大Hydro-Québec公司的一款公共电动汽车充电网络后台管理系统。 Hydro-Québec Le Circuit Electrique charging station backend存在授权问题漏洞，该漏洞源于对充电站后台重复身份验证尝试未进行限速，可能导致攻击者执行拒绝服务攻击。以下版本受到影响：June_2026之前版本。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of ServiceAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Hydro-Québec | Le Circuit Electrique charging station backend | < June_2026 |
affected |
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I. Basic Information for CVE-2026-42952
Vulnerability Information
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Vulnerability Title
Hydro-Québec Le Circuit Electrique charging station backend Improper Restriction of Excessive Authentication Attempts
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
过多认证尝试的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Hydro-Québec Le Circuit Electrique charging station backend 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hydro-Québec Le Circuit Electrique charging station backend是加拿大Hydro-Québec公司的一款公共电动汽车充电网络后台管理系统。 Hydro-Québec Le Circuit Electrique charging station backend存在授权问题漏洞，该漏洞源于对充电站后台重复身份验证尝试未进行限速，可能导致攻击者执行拒绝服务攻击。以下版本受到影响：June_2026之前版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Hydro-Québec | Le Circuit Electrique charging station backend | 0 ~ June_2026 | - |
|
II. Public POCs for CVE-2026-42952
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-42952 (2)
Vendor Pages for CVE-2026-42952 (1)
Same Patch Batch · Hydro-Québec · 2026-07-10 · 3 CVEs total
| CVE-2026-20744 | 9.8 CRITICAL | Hydro-Québec Le Circuit Electrique charging station backend Improper Access Control |
| CVE-2026-44383 | 7.5 HIGH | Hydro-Québec Le Circuit Electrique charging station backend Insufficient Session Expiratio |
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V. Comments for CVE-2026-42952
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