CVE-2026-49243
Critical
Description
Webmin is a web-based system administration tool for Unix-like servers. Prior to version 2.650, Webmin users who click on a malicious link to their server are vulnerable to this XSS vulnerability that could be used to execute attacker-controlled commands. This issue has been patched in version 2.650.
SeverityCritical
CVSS9.6
Exploit probability—
Product
Webmin
PublishedSep 29, 2026
First seenSep 29, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| webmin webmin | < 2.650 | — |
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