Vulnerability · Published Jul 10, 2026 · Assigned by icscert
CVE-2026-42952Hydro-Québec Le Circuit Electrique charging station backend Improper Restriction of Excessive Authentication Attempts
High 7.5
In plain English
A high-severity security flaw in Le Circuit Electrique charging station backend from Hydro-Québec. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.5%top 54.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Hydro-Québec | Le Circuit Electrique charging station backend | 0 – before June_2026 |
Weakness: CWE-307 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N