CVE-2026-20744NVD

Vulnerability Summary

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

Severity Level

CRITICAL(9.8)

Published Date

Jul 10, 2026

Last Modified

Jul 14, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.56%Probability

Root Weakness (CWE)

CWE-284: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v4.0 Base Metrics — Score 9.3 (CRITICAL)

Attack VectorNetwork

Attack ComplexityLow

Attack RequirementsNone

Privileges RequiredNone

User InteractionNone

Confidentiality (Vulnerable System)High

Integrity (Vulnerable System)High

Availability (Vulnerable System)High

Confidentiality (Subsequent System)None

Integrity (Subsequent System)None

Availability (Subsequent System)None

CVSS v3.1 Base Metrics — Score 9.8 (CRITICAL)

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

Affected & Patched Versions

Affected Versions

Hydro-Québec Le Circuit Electrique charging station backend < June_2026

Patched Versions

Hydro-Québec Le Circuit Electrique charging station backend June_2026

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