What’s Vulnerable › Vulnerabilities

CVE-2026-44383: Hydro-Québec Le Circuit Electrique charging station backend Insufficient Session Expiration

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-10 · updated 2026-10-25
• Weakness: CWE-613

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.

Affected products

• Hydro-Québec Le Circuit Electrique charging station backend: before June_2026 — fixed in June_2026

How to fix

Upgrade to a fixed version: Hydro-Québec Le Circuit Electrique charging station backend June_2026. Check the vendor advisory for mitigations.

References

• https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-188-01.json
• https://www.cisa.gov/news-events/ics-advisories/icsa-26-188-01
• https://www.hydroquebec.com/nous-joindre/

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