CVE-2026-49103

critical · 9.4

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.

9.4

CVSS

0.4%

EPSS (exploit prob.)

34th

EPSS percentile

2026-05-27

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-24

References

https://github.com/webmin/webmin/commit/cf432879a14568c4bb44cd2f9e5a9bd0e168edc1
https://github.com/webmin/webmin/compare/2.630...2.640

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-49103