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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.

PUBLISHED Reserved 2026-05-27 | Published 2026-05-27 | Updated 2026-05-27 | Assigner mitre




CRITICAL: 9.4CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Problem types

CWE-24 Path Traversal: '../filedir'

Product status

Default status
unaffected

Any version before 2.640
affected

References

github.com/...ommit/cf432879a14568c4bb44cd2f9e5a9bd0e168edc1

github.com/webmin/webmin/compare/2.630...2.640

cve.org (CVE-2026-49103)

nvd.nist.gov (CVE-2026-49103)

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