CVE-2026-44383

HIGH 7.5

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

CVSS Score

7.5

EPSS Score

0.6%

EPSS Percentile

43th

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.

CWE	CWE-613
Vendor	hydro-québec
Product	le circuit electrique charging station backend
Published	Jul 10, 2026
Last Updated	Jul 13, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

Hydro-Québec / Le Circuit Electrique charging station backend

0 < June_2026

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

An anonymous researcher reported this vulnerability to CISA