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TI-2026-31142 Aliases CVE-2026-42952GHSA-88vc-rc72-29f3

Hydro-Québec Le Circuit Electrique charging station backend Improper Restriction of Excessive Authentication Attempts

Priority MEDIUM 44CWE-307Published · 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
None · High · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-307.

Summary

Previously, there was no throttling on repeated authentication attempts to the charging station backend, which could allow an attacker to execute a denial-of-service attack.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00537 45th 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
Partial

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-2026-16787 Hydro-Québec Le Circuit Electrique charging station backend Improper Access ControlPriority MEDIUM 49
    • TI-2026-32339 Hydro-Québec Le Circuit Electrique charging station backend Insufficient Session ExpirationPriority MEDIUM 44

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-42952
  2. 2026-10-03 Alias added: GHSA-88vc-rc72-29f3

References

  • TI-2026-16787 Hydro-Québec Le Circuit Electrique charging station backend Improper Access Control CVSS 4.0CRITICAL 9.3
  • TI-2026-32339 Hydro-Québec Le Circuit Electrique charging station backend Insufficient Session Expiration CVSS 4.0HIGH 8.7

Sources