{"id":"CVE-2026-42952","aliases":["EUVD-2026-43095","GHSA-88vc-rc72-29f3"],"status":"published","title":"Hydro-Québec Le Circuit Electrique charging station backend Improper Restriction of Excessive Authentication Attempts","description":"Previously, there was no throttling on repeated authentication attempts \nto the charging station backend, which could allow an attacker to \nexecute a denial-of-service attack.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00537,"percentile":0.45584,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-307"],"published":"2026-07-10T22:09:16Z","modified":"2026-10-25T15:10:00Z","products":[{"vendor":"hydro-québec","product":"le circuit electrique charging station backend"}],"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"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42952"},{"url":"https://www.hydroquebec.com/nous-joindre"},{"url":"https://github.com/advisories/GHSA-88vc-rc72-29f3"}],"sources":{"cve":[{"id":"CVE-2026-42952","title":"Hydro-Québec Le Circuit Electrique charging station backend Improper Restriction of Excessive Authentication Attempts","description":"Previously, there was no throttling on repeated authentication attempts \nto the charging station backend, which could allow an attacker to \nexecute a denial-of-service attack.","status":"published","published":"2026-07-10T22:09:16.884Z","modified":"2026-07-14T14:34:24.114Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-307"],"updated_at":"2026-11-02T13:40:35.004553Z"}],"euvd":[{"id":"EUVD-2026-43095","description":"Previously, there was no throttling on repeated authentication attempts \nto the charging station backend, which could allow an attacker to \nexecute a denial-of-service attack.","status":"published","published":"2026-07-10T22:09:16Z","modified":"2026-07-14T14:34:24Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:19:59.713046Z"}],"ghsa":[{"id":"GHSA-88vc-rc72-29f3","title":"Previously, there was no throttling on repeated authentication attempts \nto the charging station...","description":"Previously, there was no throttling on repeated authentication attempts \nto the charging station backend, which could allow an attacker to \nexecute a denial-of-service attack.","status":"published","published":"2026-07-11T00:31:50Z","modified":"2026-07-11T00:31:56Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-307"],"updated_at":"2026-11-02T15:09:24.04976Z"}],"nvd":[{"id":"CVE-2026-42952","description":"Previously, there was no throttling on repeated authentication attempts \nto the charging station backend, which could allow an attacker to \nexecute a denial-of-service attack.","status":"published","published":"2026-07-10T23:16:48.203Z","modified":"2026-10-25T15:10:00.147Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-307"],"updated_at":"2026-11-02T14:12:28.771746Z"}]}}