CVE-2026-44383

Hydro-Québec Le Circuit Electrique charging station backend Insufficient Session Expiration

State: Published
Severity: 8.7 High
Published: Jul 10, 2026
Updated: Jul 13, 2026
Reserved: May 7, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	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	icscert
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	icscert

Weaknesses

CWE-613

Affected Products

Product	Versions
Le Circuit Electrique charging station backendHydro-Québec	before June_2026Affected

References

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

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