{"id":"CVE-2026-27772","aliases":["EUVD-2026-8966","GHSA-cr9w-4p8w-56h8"],"status":"published","title":"EV Energy ev.energy Missing Authentication for Critical Function","description":"WebSocket endpoints lack proper authentication mechanisms, enabling \nattackers to perform unauthorized station impersonation and manipulate \ndata sent to the backend. An unauthenticated attacker can connect to the\n OCPP WebSocket endpoint using a known or discovered charging station \nidentifier, then issue or receive OCPP commands as a legitimate charger.\n Given that no authentication is required, this can lead to privilege \nescalation, unauthorized control of charging infrastructure, and \ncorruption of charging network data reported to the backend.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00604,"percentile":0.49254,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2026-02-27T00:09:12Z","modified":"2026-06-17T10:27:39Z","products":[{"vendor":"ev energy","product":"ev.energy"},{"vendor":"ev.energy","product":"ev.energy"}],"references":[{"url":"https://www.ev.energy/en-us","tags":["Product"]},{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-07","tags":["Third Party Advisory","US Government Resource"]},{"url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-07.json","tags":["Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27772"},{"url":"https://github.com/advisories/GHSA-cr9w-4p8w-56h8"}],"sources":{"cve":[{"id":"CVE-2026-27772","title":"EV Energy ev.energy Missing Authentication for Critical Function","description":"WebSocket endpoints lack proper authentication mechanisms, enabling \nattackers to perform unauthorized station impersonation and manipulate \ndata sent to the backend. An unauthenticated attacker can connect to the\n OCPP WebSocket endpoint using a known or discovered charging station \nidentifier, then issue or receive OCPP commands as a legitimate charger.\n Given that no authentication is required, this can lead to privilege \nescalation, unauthorized control of charging infrastructure, and \ncorruption of charging network data reported to the backend.","status":"published","published":"2026-02-27T00:09:12.986Z","modified":"2026-03-05T20:45:17.841Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"},{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"critical","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:19:49.199185Z"}],"euvd":[{"id":"EUVD-2026-8966","description":"WebSocket endpoints lack proper authentication mechanisms, enabling \nattackers to perform unauthorized station impersonation and manipulate \ndata sent to the backend. An unauthenticated attacker can connect to the\n OCPP WebSocket endpoint using a known or discovered charging station \nidentifier, then issue or receive OCPP commands as a legitimate charger.\n Given that no authentication is required, this can lead to privilege \nescalation, unauthorized control of charging infrastructure, and \ncorruption of charging network data reported to the backend.","status":"published","published":"2026-02-27T00:09:12Z","modified":"2026-03-05T20:45:17Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T19:48:08.258323Z"}],"ghsa":[{"id":"GHSA-cr9w-4p8w-56h8","title":"WebSocket endpoints lack proper authentication mechanisms, enabling \nattackers to perform...","description":"WebSocket endpoints lack proper authentication mechanisms, enabling \nattackers to perform unauthorized station impersonation and manipulate \ndata sent to the backend. An unauthenticated attacker can connect to the\n OCPP WebSocket endpoint using a known or discovered charging station \nidentifier, then issue or receive OCPP commands as a legitimate charger.\n Given that no authentication is required, this can lead to privilege \nescalation, unauthorized control of charging infrastructure, and \ncorruption of charging network data reported to the backend.","status":"published","published":"2026-02-27T00:31:46Z","modified":"2026-03-05T21:31:36Z","cvss":[{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"critical"},{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/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":"critical"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T15:06:28.064128Z"}],"nvd":[{"id":"CVE-2026-27772","description":"WebSocket endpoints lack proper authentication mechanisms, enabling \nattackers to perform unauthorized station impersonation and manipulate \ndata sent to the backend. An unauthenticated attacker can connect to the\n OCPP WebSocket endpoint using a known or discovered charging station \nidentifier, then issue or receive OCPP commands as a legitimate charger.\n Given that no authentication is required, this can lead to privilege \nescalation, unauthorized control of charging infrastructure, and \ncorruption of charging network data reported to the backend.","status":"published","published":"2026-02-27T00:16:58.25Z","modified":"2026-06-17T10:27:39.9Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/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":"critical","assessor":"secondary"},{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:12:07.027269Z"}]}}