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TI-2026-16787 Aliases CVE-2026-20744GHSA-v4hh-p8gf-c722

Hydro-Québec Le Circuit Electrique charging station backend Improper Access Control

Priority MEDIUM 49CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-284.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00758 55th percentileScored 2026-11-07
Fix Fixed Le Circuit Electrique charging station backend (Hydro-Québec): June_2026

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Hydro-QuébecLe Circuit Electrique charging station backendbefore June_2026June_2026Patch availableCNA
  • Le Circuit Electrique charging station backend VendorHydro-Québec Affected before June_2026 Fixed in June_2026 Patch available CNA

Remediation

  • Fix · CNA Le Circuit Electrique charging station backend (Hydro-Québec) Fixed in June_2026

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Hydro-Québec Le Circuit Electrique charging station backend June_2026

    3 records Highest priority Priority MEDIUM 3 MEDIUM

    Other records, highest priority first

    • TI-2026-32339 Hydro-Québec Le Circuit Electrique charging station backend Insufficient Session ExpirationPriority MEDIUM 44
    • TI-2026-31142 Hydro-Québec Le Circuit Electrique charging station backend Improper Restriction of Excessive Authentication AttemptsPriority MEDIUM 44
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-20744
  2. 2026-10-03 Alias added: GHSA-v4hh-p8gf-c722

References

Other 3

  • TI-2026-32339 Hydro-Québec Le Circuit Electrique charging station backend Insufficient Session Expiration CVSS 4.0HIGH 8.7
  • TI-2026-31142 Hydro-Québec Le Circuit Electrique charging station backend Improper Restriction of Excessive Authentication Attempts CVSS 4.0HIGH 8.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences