{"affected":[{"defaultStatus":"unaffected","product":"webmin","source":"CNA: VulnCheck","vendor":"webmin","versions":[{"lessThanOrEqual":"2.670","status":"affected","version":"0","versionType":"custom"}]}],"cveId":"CVE-2026-125391","cwes":["CWE-78"],"description":"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.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":8.6,"severity":"high","source":"CNA: VulnCheck","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","version":"4.0"},{"score":7.2,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}],"modifiedAt":1794266876566,"publishedAt":1794266876566,"references":[{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/webmin/webmin/commit/18cab89b1fc74ab7e8b1b8b90bbccbe5aba99154"},{"source":"CNA: VulnCheck","tags":["product"],"url":"https://github.com/webmin/webmin"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/webmin/webmin/blob/2.670/samba/samba-lib.pl#L658"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/webmin-through-2.670-os-command-injection-via-samba-user-account-options"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/webmin/webmin/commit/18cab89b1fc74ab7e8b1b8b90bbccbe5aba99154"}],"revision":"460ac4f2ae3f08d6d77c68c8528f52df5f77d47a0e793c364690b93c5fd2a99b","sources":[{"modifiedAt":1794266876566,"name":"CNA: VulnCheck","retrievedAt":1794269357120,"url":"https://www.cve.org/CVERecord?id=CVE-2026-125391"}],"ssvc":null,"status":"published","title":"Webmin through 2.670 OS Command Injection via Samba User Account Options","updatedAt":1794269357120}