Vulnerability · Published Jul 10, 2026 · Assigned by icscert
CVE-2026-20744Hydro-Québec Le Circuit Electrique charging station backend Improper Access Control
Critical 9.8
In plain English
A critical-severity improper access control 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 0.8% (higher than 55% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.8%top 44.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The charging station websocket endpoint accepts connections without proper authentication, which could lead to privilege escalation.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Hydro-Québec | Le Circuit Electrique charging station backend | 0 – before June_2026 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H