{"id":"CVE-2026-82077","aliases":["EUVD-2026-85811","GHSA-6392-7mrr-8qfw"],"status":"published","title":"PaperCut NG/MF: Remote Code Execution via Scan2Fax","description":"An improper limitation of a pathname to a restricted directory (path traversal) vulnerability in the Scan-to-Fax component of PaperCut NG and PaperCut MF allows an authenticated administrator to execute arbitrary commands on the underlying host via crafted fax provider settings.","severity":{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0084,"percentile":0.58131,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22","CWE-78"],"published":"2026-09-24T06:43:35Z","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-2026-82077"},{"url":"https://www.papercut.com/kb/Main/security-bulletin-sep-2026"},{"url":"https://github.com/advisories/GHSA-6392-7mrr-8qfw"}],"sources":{"cve":[{"id":"CVE-2026-82077","title":"PaperCut NG/MF: Remote Code Execution via Scan2Fax","description":"An improper limitation of a pathname to a restricted directory (path traversal) vulnerability in the Scan-to-Fax component of PaperCut NG and PaperCut MF allows an authenticated administrator to execute arbitrary commands on the underlying host via crafted fax provider settings.","status":"published","published":"2026-09-24T06:43:35.197Z","modified":"2026-10-13T04:10:59.43Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","level":"high","assessor":"cna"}],"cwes":["CWE-22","CWE-78"],"updated_at":"2026-11-02T13:40:35.004553Z"}],"euvd":[{"id":"EUVD-2026-85811","description":"An improper limitation of a pathname to a restricted directory (path traversal) vulnerability in the Scan-to-Fax component of PaperCut NG and PaperCut MF allows an authenticated administrator to execute arbitrary commands on the underlying host via crafted fax provider settings.","status":"published","published":"2026-09-24T06:43:35Z","modified":"2026-10-13T04:10:59Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","level":"high"}],"updated_at":"2026-11-02T17:27:21.690828Z"}],"ghsa":[{"id":"GHSA-6392-7mrr-8qfw","title":"An improper limitation of a pathname to a restricted directory (path traversal) vulnerability in...","description":"An improper limitation of a pathname to a restricted directory (path traversal) vulnerability in the Scan-to-Fax component of PaperCut NG and PaperCut MF allows an authenticated administrator to execute arbitrary commands on the underlying host via crafted fax provider settings.","status":"published","published":"2026-09-24T09:31:51Z","modified":"2026-09-24T09:32:00Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/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-22"],"updated_at":"2026-11-02T15:12:22.2852Z"}],"nvd":[{"id":"CVE-2026-82077","description":"An improper limitation of a pathname to a restricted directory (path traversal) vulnerability in the Scan-to-Fax component of PaperCut NG and PaperCut MF allows an authenticated administrator to execute arbitrary commands on the underlying host via crafted fax provider settings.","status":"published","published":"2026-09-24T07:16:33.457Z","modified":"2026-10-13T04:17:22.01Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/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"}],"cwes":["CWE-22","CWE-78"],"updated_at":"2026-11-02T14:12:51.036099Z"}]}}