{"id":"CVE-2026-44383","state":"PUBLISHED","title":"Hydro-Québec Le Circuit Electrique charging station backend Insufficient Session Expiration","description":"Multiple connections to the backend using the same charging station ID \nare allowed, which could allow an attacker to deploy multiple instances \nof malicious OCPP clients to overwhelm the backend.","publishedAt":"2026-07-10T22:11:16.866Z","updatedAt":"2026-07-13T15:34:23.220Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","source":"icscert"},"assigner":"icscert","products":["Hydro-Québec Le Circuit Electrique charging station backend"],"affected":[{"vendor":"Hydro-Québec","product":"Le Circuit Electrique charging station backend","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"June_2026","versionType":"custom"}]}],"references":["https://www.hydroquebec.com/nous-joindre/","https://www.cisa.gov/news-events/ics-advisories/icsa-26-188-01","https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-188-01.json"],"weaknesses":["CWE-613"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/44xxx/CVE-2026-44383.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-44383","state":"PUBLISHED","datePublished":"2026-07-10T22:11:16.866Z","dateUpdated":"2026-07-13T15:34:23.220Z","assignerShortName":"icscert","assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateReserved":"2026-05-07T16:55:26.145Z"},"containers":{"cna":{"title":"Hydro-Québec Le Circuit Electrique charging station backend Insufficient Session Expiration","descriptions":[{"lang":"en","value":"Multiple connections to the backend using the same charging station ID \nare allowed, which could allow an attacker to deploy multiple instances \nof malicious OCPP clients to overwhelm the backend."}],"affected":[{"vendor":"Hydro-Québec","product":"Le Circuit Electrique charging station backend","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"June_2026","versionType":"custom"}]}],"references":[{"url":"https://www.hydroquebec.com/nous-joindre/"},{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-188-01"},{"url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-188-01.json"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseSeverity":"HIGH","baseScore":7.5,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":8.7,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-613","lang":"en","description":"CWE-613","type":"CWE"}]}],"providerMetadata":{"shortName":"icscert","orgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateUpdated":"2026-07-10T22:11:16.866Z"},"solutions":[{"lang":"en","value":"Hydro-Québec has updated the majority of charging stations to disable \nOCPP, mitigating the risk of exploitation. Hydro-Québec has also \nimplemented authentication systems to mitigate the issue for certain \ncharging stations which are still reliant on OCPP. Contact Hydro-Québec \nwith any additional questions.","supportingMedia":[{"type":"text/html","base64":false,"value":"Hydro-Québec has updated the majority of charging stations to disable \nOCPP, mitigating the risk of exploitation. Hydro-Québec has also \nimplemented authentication systems to mitigate the issue for certain \ncharging stations which are still reliant on OCPP. Contact Hydro-Québec \nwith any additional questions."}]}],"credits":[{"lang":"en","value":"An anonymous researcher reported this vulnerability to CISA","type":"finder"}],"source":{"advisory":"ICSA-26-188-01","discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-13T15:34:13.068182Z","id":"CVE-2026-44383","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-13T15:34:23.220Z"}}]}}}