Vulnerability details
CVE-2026-20744
Hydro-Québec Le Circuit Electrique charging station backend
Hydro-Québec Le Circuit Electrique charging station backend Improper Access Control
CVSS 4.0
9.3Critical
Official description
The charging station websocket endpoint accepts connections without proper authentication, which could lead to privilege escalation.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.3Critical | 4.0 | CVEProject cvelistV5 (CNA) (icscert) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| 9.8Critical | 3.1 | CVEProject cvelistV5 (CNA) (icscert) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Hydro-Québec | Le Circuit Electrique charging station backend | v < June_2026 | CVEProject cvelistV5 (CNA) |
References and advisories
3
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Details
- Published
- 2026-07-11
- Last updated
- 2026-07-14
- State
- Published
- Assigner (CNA)
- icscert
Exploit prediction (EPSS)
0.75%
Probability of exploitation in 30 days
55.4%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-284