Hydro-Québec Le Circuit Electrique charging station backend Insufficient Session Expiration
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 · None · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-613.
Summary
Multiple connections to the backend using the same charging station ID are allowed, which could allow an attacker to deploy multiple instances of malicious OCPP clients to overwhelm the backend.
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-2026-31142 Hydro-Québec Le Circuit Electrique charging station backend Improper Restriction of Excessive Authentication AttemptsPriority MEDIUM 44
Timeline
- 2026-10-02 Threatist record created from CVE-2026-44383
- 2026-10-03 Alias added: GHSA-7wpg-27g9-f8vc
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-2026-31142 Hydro-Québec Le Circuit Electrique charging station backend Improper Restriction of Excessive Authentication Attempts CVSS 4.0HIGH 8.7
Sources
- CVE-2026-44383 · CVE Program
- CVE-2026-44383 · NVD
- FIRST EPSS
- GHSA-7wpg-27g9-f8vc · GitHub Advisory Database · CC BY 4.0
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