CVE-2026-123620: fallo de gravedad alta en webmin usermin
Usermin through 2.570 OS Command Injection via Read Mail IMAP Folder Deletion
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 7.7epss 1.4%
Usermin through 2.570 contains an OS command injection vulnerability in the Read Mail module that allows authenticated users to execute commands through unsanitized IMAP folder names. Attackers can create a folder containing shell metacharacters via an external IMAP client, then delete it in Usermin to run commands as their system account, bypassing webmail-only restrictions.
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Productos afectados
webmin · userminCVEs relacionadas — webmin usermin
En el mismo producto, de las más peligrosas a las menos.
Referencias
https://github.com/webmin/userminhttps://github.com/webmin/usermin/blob/2.570/mailbox/mailbox-lib.pl#L1031-L1040https://github.com/webmin/usermin/commit/8a45420282ff04c943f05d9241a3c55afb9bca79https://github.com/webmin/usermin/issues/142https://hackmd.io/@leediay/H144QKY6zlhttps://www.vulncheck.com/advisories/usermin-through-2.570-os-command-injection-via-read-mail-imap-folder-deletion