{"id":"CVE-2026-20792","aliases":["EUVD-2026-8931","GHSA-m9p8-mq88-4q4g"],"status":"published","title":"Chargemap chargemap.com Improper Restriction of Excessive Authentication Attempts","description":"The WebSocket Application Programming Interface lacks restrictions on \nthe number of authentication requests. This absence of rate limiting may\n allow an attacker to conduct denial-of-service attacks by suppressing \nor misrouting legitimate charger telemetry, or conduct brute-force \nattacks to gain unauthorized access.","severity":{"version":"4.0","score":8.7,"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00554,"percentile":0.46502,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-307"],"published":"2026-02-26T23:06:29Z","modified":"2026-06-17T10:17:47Z","products":[{"vendor":"chargemap","product":"chargemap.com"}],"references":[{"url":"https://chargemap.com/en-us/support","tags":["Product"]},{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-05","tags":["Third Party Advisory","US Government Resource"]},{"url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-05.json","tags":["Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20792"},{"url":"https://github.com/advisories/GHSA-m9p8-mq88-4q4g"}],"sources":{"cve":[{"id":"CVE-2026-20792","title":"Chargemap chargemap.com Improper Restriction of Excessive Authentication Attempts","description":"The WebSocket Application Programming Interface lacks restrictions on \nthe number of authentication requests. This absence of rate limiting may\n allow an attacker to conduct denial-of-service attacks by suppressing \nor misrouting legitimate charger telemetry, or conduct brute-force \nattacks to gain unauthorized access.","status":"published","published":"2026-02-26T23:06:29.969Z","modified":"2026-03-05T19:42:31.634Z","cvss":[{"version":"4.0","score":8.7,"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","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:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-307"],"updated_at":"2026-11-02T13:35:44.571002Z"}],"euvd":[{"id":"EUVD-2026-8931","description":"The WebSocket Application Programming Interface lacks restrictions on \nthe number of authentication requests. This absence of rate limiting may\n allow an attacker to conduct denial-of-service attacks by suppressing \nor misrouting legitimate charger telemetry, or conduct brute-force \nattacks to gain unauthorized access.","status":"published","published":"2026-02-26T23:06:29Z","modified":"2026-03-05T19:42:31Z","cvss":[{"version":"4.0","score":8.7,"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","level":"high"}],"updated_at":"2026-11-02T19:48:08.87511Z"}],"ghsa":[{"id":"GHSA-m9p8-mq88-4q4g","title":"The WebSocket Application Programming Interface lacks restrictions on \nthe number of...","description":"The WebSocket Application Programming Interface lacks restrictions on \nthe number of authentication requests. This absence of rate limiting may\n allow an attacker to conduct denial-of-service attacks by suppressing \nor misrouting legitimate charger telemetry, or conduct brute-force \nattacks to gain unauthorized access.","status":"published","published":"2026-02-27T00:31:45Z","modified":"2026-03-05T21:31:38Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"},{"version":"4.0","score":8.7,"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/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"}],"cwes":["CWE-307"],"updated_at":"2026-11-02T15:06:28.064128Z"}],"nvd":[{"id":"CVE-2026-20792","description":"The WebSocket Application Programming Interface lacks restrictions on \nthe number of authentication requests. This absence of rate limiting may\n allow an attacker to conduct denial-of-service attacks by suppressing \nor misrouting legitimate charger telemetry, or conduct brute-force \nattacks to gain unauthorized access.","status":"published","published":"2026-02-27T00:16:56.18Z","modified":"2026-06-17T10:17:47.657Z","cvss":[{"version":"4.0","score":8.7,"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/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:N/A:H","level":"high","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-307"],"updated_at":"2026-11-02T14:12:07.027269Z"}]}}