{"id":"CVE-2026-87739","aliases":["EUVD-2026-85812","GHSA-hcgg-7hh4-grvw"],"status":"published","title":"PaperCut MF/NG: User permissions are not evaluated on report generation","description":"An improper authentication vulnerability in PaperCut MF/NG allows an unauthenticated, remote attacker to trigger report generation. By submitting report generation requests without valid credentials, an attacker can generate reports and gain unauthorized access to sensitive information.","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/AU:Y","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00429,"percentile":0.37435,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2026-09-24T06:46:54Z","modified":"2026-10-13T04:17:22Z","products":[{"vendor":"papercut","product":"papercut ng/mf"}],"references":[{"url":"https://www.papercut.com/kb/Main/security-bulletin-sep-2026/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-87739"},{"url":"https://www.papercut.com/kb/Main/security-bulletin-sep-2026"},{"url":"https://github.com/advisories/GHSA-hcgg-7hh4-grvw"}],"sources":{"cve":[{"id":"CVE-2026-87739","title":"PaperCut MF/NG: User permissions are not evaluated on report generation","description":"An improper authentication vulnerability in PaperCut MF/NG allows an unauthenticated, remote attacker to trigger report generation. By submitting report generation requests without valid credentials, an attacker can generate reports and gain unauthorized access to sensitive information.","status":"published","published":"2026-09-24T06:46:54.879Z","modified":"2026-10-13T04:12:23.793Z","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/AU:Y","level":"medium","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T13:37:36.275898Z"}],"euvd":[{"id":"EUVD-2026-85812","description":"An improper authentication vulnerability in PaperCut MF/NG allows an unauthenticated, remote attacker to trigger report generation. By submitting report generation requests without valid credentials, an attacker can generate reports and gain unauthorized access to sensitive information.","status":"published","published":"2026-09-24T06:46:54Z","modified":"2026-10-13T04:12:23Z","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/AU:Y","level":"medium"}],"updated_at":"2026-11-02T17:27:21.690828Z"}],"ghsa":[{"id":"GHSA-hcgg-7hh4-grvw","title":"An improper authentication vulnerability in PaperCut MF/NG allows an unauthenticated, remote...","description":"An improper authentication vulnerability in PaperCut MF/NG allows an unauthenticated, remote attacker to trigger report generation. By submitting report generation requests without valid credentials, an attacker can generate reports and gain unauthorized access to sensitive information.","status":"published","published":"2026-09-24T09:31:51Z","modified":"2026-09-24T09:32:00Z","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:Y/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:12:22.2852Z"}],"nvd":[{"id":"CVE-2026-87739","description":"An improper authentication vulnerability in PaperCut MF/NG allows an unauthenticated, remote attacker to trigger report generation. By submitting report generation requests without valid credentials, an attacker can generate reports and gain unauthorized access to sensitive information.","status":"published","published":"2026-09-24T07:16:34.78Z","modified":"2026-10-13T04:17:22.743Z","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:Y/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:51.036099Z"}]}}