CVE-2026-44383 Hydro-Québec Le Circuit Electrique charging station backend Insufficient Session Expiration
Attackers can overwhelm the charging station backend by deploying multiple malicious OCPP clients using the same ID, causing denial of service.
- 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-2026-44383?
CVE-2026-44383 is a high-severity denial of service 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
Multiple connections to the backend using the same charging station ID are allowed, which could allow an attacker to deploy multiple instances of malicious OCPP clients to overwhelm the backend.
Weakness: CWE-613
Which versions are affected by CVE-2026-44383?
How do I fix CVE-2026-44383?
No fix has been published for CVE-2026-44383 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-44383 being exploited?
There is no known exploitation of CVE-2026-44383 in the wild and no public exploit code.
Sources
Also known as GHSA-7wpg-27g9-f8vc.