{"id":"CVE-2026-125391","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-125391","summary":"Webmin through 2.670 OS Command Injection via Samba User Account Options","details":"Webmin through 2.670 contains an OS command injection vulnerability in samba/save_euser.cgi that allows authenticated Samba user maintainers to inject commands via unvalidated opts parameter. Attackers can embed shell metacharacters in account option flags passed by create_user and modify_user to backquote_logged, executing commands as root.","published":"2026-11-09T23:27:56.566Z","modified":"2026-11-11T10:31:03.758974416Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/webmin/webmin/commit/18cab89b1fc74ab7e8b1b8b90bbccbe5aba99154","label":"webmin/webmin@18cab89"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/125xxx/CVE-2026-125391.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-125391"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/webmin-through-2.670-os-command-injection-via-samba-user-account-options"},{"type":"FIX","url":"https://github.com/webmin/webmin/commit/18cab89b1fc74ab7e8b1b8b90bbccbe5aba99154"},{"type":"PACKAGE","url":"https://github.com/webmin/webmin"},{"type":"ARTICLE","url":"https://github.com/webmin/webmin/blob/2.670/samba/samba-lib.pl#L658"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-11-11T10:31:03.758974416Z"}}