CVE-2026-123620

CVE-2026-123620CVE-2026-123620

Description

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.

Scoring

CVSS 7.5 ()
VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Last modified2026-11-06
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.