{"id":"CVE-2026-49103","aliases":["EUVD-2026-32532","GHSA-6m8g-7xrr-8q5f"],"status":"published","title":"Webmin before 2.640 does not safely construct a filename for saving of an attachment within the...","description":"Webmin before 2.640 does not safely construct a filename for saving of an attachment within the mailboxes component. This occurs in mailboxes/detachall.cgi.","severity":{"version":"4.0","score":9.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00396,"percentile":0.34125,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-24"],"published":"2026-05-27T14:37:18Z","modified":"2026-10-28T02:30:53Z","products":[{"vendor":"webmin","product":"webmin"}],"references":[{"url":"https://github.com/webmin/webmin/commit/cf432879a14568c4bb44cd2f9e5a9bd0e168edc1","tags":["fix"]},{"url":"https://github.com/webmin/webmin/compare/2.630...2.640","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-49103","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-6m8g-7xrr-8q5f"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49103.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-49103","description":"Webmin before 2.640 does not safely construct a filename for saving of an attachment within the mailboxes component. This occurs in mailboxes/detachall.cgi.","status":"published","published":"2026-05-27T14:37:18.786Z","modified":"2026-05-27T16:14:12.073Z","cvss":[{"version":"4.0","score":9.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","level":"critical","assessor":"cna"}],"cwes":["CWE-24"],"updated_at":"2026-11-02T13:34:59.78118Z"}],"euvd":[{"id":"EUVD-2026-32532","description":"Webmin before 2.640 does not safely construct a filename for saving of an attachment within the mailboxes component. This occurs in mailboxes/detachall.cgi.","status":"published","published":"2026-05-27T14:37:18Z","modified":"2026-05-27T16:14:12Z","cvss":[{"version":"4.0","score":9.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","level":"critical"}],"updated_at":"2026-11-02T18:21:03.926243Z"}],"ghsa":[{"id":"GHSA-6m8g-7xrr-8q5f","title":"Webmin before 2.640 does not safely construct a filename for saving of an attachment within the...","description":"Webmin before 2.640 does not safely construct a filename for saving of an attachment within the mailboxes component. This occurs in mailboxes/detachall.cgi.","status":"published","published":"2026-05-27T15:33:28Z","modified":"2026-05-27T15:33:37Z","cvss":[{"version":"4.0","score":9.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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":"critical"}],"cwes":["CWE-24"],"updated_at":"2026-11-02T15:08:21.006908Z"}],"nvd":[{"id":"CVE-2026-49103","description":"Webmin before 2.640 does not safely construct a filename for saving of an attachment within the mailboxes component. This occurs in mailboxes/detachall.cgi.","status":"published","published":"2026-05-27T15:16:34.17Z","modified":"2026-06-17T10:55:30.553Z","cvss":[{"version":"4.0","score":9.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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":"critical","assessor":"secondary"}],"cwes":["CWE-24"],"updated_at":"2026-11-02T14:12:20.885865Z"}],"osv":[{"id":"CVE-2026-49103","description":"Webmin before 2.640 does not safely construct a filename for saving of an attachment within the mailboxes component. This occurs in mailboxes/detachall.cgi.","status":"published","published":"2026-05-27T14:37:18.786Z","modified":"2026-10-28T02:30:53.320056159Z","cvss":[{"version":"4.0","score":9.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","level":"critical"}],"cwes":["CWE-24"],"updated_at":"2026-11-02T15:45:07.060148Z"}]}}