CVE-2026-49103
Critical
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.
SeverityCritical
CVSS9.4
Exploit probability34. percentile0.4%
Product
Webmin
PublishedMay 27, 2026
First seenMay 27, 2026
Weakness typeCWE-24CWE-24
How to fix
Update
- Webmin Webmin2.640 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Webmin Webmin | v < 2.640 | 2.640 |
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