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.

Project Subscriptions

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Advisories

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Fixes

Solution

Hydro-Québec has updated the majority of charging stations to disable OCPP, mitigating the risk of exploitation. Hydro-Québec has also implemented authentication systems to mitigate the issue for certain charging stations which are still reliant on OCPP. Contact Hydro-Québec with any additional questions.


Workaround

No workaround given by the vendor.

History

Fri, 10 Jul 2026 22:30:00 +0000

Type Values Removed Values Added
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.
Title Hydro-Québec Le Circuit Electrique charging station backend Insufficient Session Expiration
Weaknesses CWE-613
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: icscert

Published:

Updated: 2026-07-10T22:11:16.866Z

Reserved: 2026-05-07T16:55:26.145Z

Link: CVE-2026-44383

cve-icon Vulnrichment

No data.

cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses