{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/83914?format=json","vulnerability_id":"VCID-p3c5-6wqk-u7dw","summary":"mpGabinet performs client-side authentication. An attacker with access to any application instance connected to the backend server can bypass the login verification process by manipulating the application binary and authenticate as an arbitrary user.  \n\nThis issue affects mpGabinet version 23.12.19 and below.","aliases":[{"alias":"CVE-2026-40551"}],"fixed_packages":[],"affected_packages":[],"references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-40551","reference_id":"","reference_type":"","scores":[{"value":"0.00028","scoring_system":"epss","scoring_elements":"0.08423","published_at":"2026-06-11T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-40551"},{"reference_url":"https://cert.pl/posts/2026/04/CVE-2026-40550/","reference_id":"CVE-2026-40550","reference_type":"","scores":[{"value":"8.4","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2026-04-28T14:16:07Z/"}],"url":"https://cert.pl/posts/2026/04/CVE-2026-40550/"},{"reference_url":"https://www.mpgabinet.pl/","reference_id":"www.mpgabinet.pl","reference_type":"","scores":[{"value":"8.4","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2026-04-28T14:16:07Z/"}],"url":"https://www.mpgabinet.pl/"}],"weaknesses":[{"cwe_id":603,"name":"Use of Client-Side Authentication","description":"A client/server product performs authentication within client code but not in server code, allowing server-side authentication to be bypassed via a modified client that omits the authentication check."}],"exploits":[],"severity_range_score":"8.4 - 8.4","exploitability":null,"weighted_severity":null,"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-p3c5-6wqk-u7dw"}