CVE-2026-49103 · cross-distro fix matrix

CVE-2026-49103: 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.

Affects 0 Linux releases across 0 (distro × package) combinations. First disclosed: 2026-05-27.

Fix per ecosystem

Each block below is a distro release where CVE-2026-49103 has a known fix. Run the listed command on that distro to remediate.

Are YOU affected by CVE-2026-49103?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

CVE-2026-49103dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

See StackPatch ($99 lifetime)