CVE-2026-20744 Hydro-Québec Le Circuit Electrique charging station backend Improper Access Control
Unauthenticated websocket access allows privilege escalation in Hydro-Québec Le Circuit Electrique charging station backends.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-20744?
CVE-2026-20744 is a critical missing authorization vulnerability in Hydro-Québec Le Circuit Electrique charging station backend, published on 10 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The charging station websocket endpoint accepts connections without proper authentication, which could lead to privilege escalation.
Weakness: CWE-284
Which versions are affected by CVE-2026-20744?
How do I fix CVE-2026-20744?
No fix has been published for CVE-2026-20744 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-20744 being exploited?
There is no known exploitation of CVE-2026-20744 in the wild and no public exploit code.
Sources
Also known as GHSA-v4hh-p8gf-c722.