Hydro-Québec Le Circuit Electrique charging station backend Improper Restriction of Excessive Authentication Attempts
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
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Hydro-Québec | Le Circuit Electrique charging station backend | before June_2026 | June_2026 | Patch available | CNA |
- 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
- 2026-10-02 Threatist record created from CVE-2026-42952
- 2026-10-03 Alias added: GHSA-88vc-rc72-29f3
References
More Hydro-Québec vulnerabilities
- 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
- CVE-2026-42952 · CVE Program
- CVE-2026-42952 · NVD
- FIRST EPSS
- GHSA-88vc-rc72-29f3 · GitHub Advisory Database · CC BY 4.0
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