CVE-2026-20744

The charging station websocket endpoint accepts connections without proper authentication, which could lead to privilege escalation.

Score

CVSS 3.1 9.8 Critical

Status

Deferred - ics-cert@hq.dhs.gov

Published

2026-07-10

Last modified

2026-10-25

Weaknesses

CWE-284

Affected products

• Le Circuit Electrique Charging Station Backend (Hydro-qubec)

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