{"id":"CVE-2026-8793","aliases":["EUVD-2026-52224","GHSA-845j-gc55-fc8w"],"status":"published","title":"PaperCut NG/MF: Insufficient brute-force protection","description":"PaperCut NG/MF does not properly restrict excessive authentication attempts within its login component. An unauthenticated remote attacker can exploit this vulnerability to perform unrestricted brute-force or credential-stuffing attacks without triggering account lockout or rate-limiting mechanisms in some configurations.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00683,"percentile":0.52961,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-307"],"published":"2026-08-03T06:58:00Z","modified":"2026-10-23T22:10:00Z","exploits":[{"source":"pocgithub","id":"H4zaz/CVE-2026-8793","title":"H4zaz/CVE-2026-8793","date":"2026-08-15","url":"https://github.com/H4zaz/CVE-2026-8793"}],"products":[{"vendor":"papercut","product":"papercut ng/mf"}],"references":[{"url":"https://www.papercut.com/kb/Main/papercut-ng-mf-security-bulletin-3-aug-2026/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8793"},{"url":"https://www.papercut.com/kb/Main/papercut-ng-mf-security-bulletin-3-aug-2026"},{"url":"https://github.com/advisories/GHSA-845j-gc55-fc8w"}],"sources":{"cve":[{"id":"CVE-2026-8793","title":"PaperCut NG/MF: Insufficient brute-force protection","description":"PaperCut NG/MF does not properly restrict excessive authentication attempts within its login component. An unauthenticated remote attacker can exploit this vulnerability to perform unrestricted brute-force or credential-stuffing attacks without triggering account lockout or rate-limiting mechanisms in some configurations.","status":"published","published":"2026-08-03T06:58:00.359Z","modified":"2026-08-03T14:32:59.274Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-307"],"updated_at":"2026-11-02T13:48:02.226896Z"}],"euvd":[{"id":"EUVD-2026-52224","description":"PaperCut NG/MF does not properly restrict excessive authentication attempts within its login component. An unauthenticated remote attacker can exploit this vulnerability to perform unrestricted brute-force or credential-stuffing attacks without triggering account lockout or rate-limiting mechanisms in some configurations.","status":"published","published":"2026-08-03T06:58:00Z","modified":"2026-08-03T14:32:59Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:02:24.366648Z"}],"ghsa":[{"id":"GHSA-845j-gc55-fc8w","title":"PaperCut NG/MF does not properly restrict excessive authentication attempts within its login...","description":"PaperCut NG/MF does not properly restrict excessive authentication attempts within its login component. An unauthenticated remote attacker can exploit this vulnerability to perform unrestricted brute-force or credential-stuffing attacks without triggering account lockout or rate-limiting mechanisms in some configurations.","status":"published","published":"2026-08-03T09:32:38Z","modified":"2026-08-03T09:32:46Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/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":"medium"}],"cwes":["CWE-307"],"updated_at":"2026-11-02T15:10:02.233759Z"}],"nvd":[{"id":"CVE-2026-8793","description":"PaperCut NG/MF does not properly restrict excessive authentication attempts within its login component. An unauthenticated remote attacker can exploit this vulnerability to perform unrestricted brute-force or credential-stuffing attacks without triggering account lockout or rate-limiting mechanisms in some configurations.","status":"published","published":"2026-08-03T08:17:21.097Z","modified":"2026-10-23T22:10:00.16Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/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":"medium","assessor":"secondary"}],"cwes":["CWE-307"],"updated_at":"2026-11-02T14:12:34.643497Z"}]}}