HIGHCVSS v3.1 7.5Vulnerability

CVE-2026-123620

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.

Properties

Severity
HIGH
Nvd fetched at
2026-11-07T06:40:34.987550+00:00
Cvss severity
HIGH
Cvss score
7.5
Retrieved at
2026-11-07T06:41:39+00:00
Score
7.5
Cvss version
3.1
Last source
NVD
Cve id
CVE-2026-123620
Cvss vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
First seen by Signal
2026-11-06T18:25:35+00:00
Name
CVE-2026-123620
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Published at
2026-11-06T15:17:19.540
Last modified
2026-11-06T15:17:19.540

Related Entities (1)

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CVE-2026-123620 (CVSS v3.1 7.5) — Ninja Signal Threat Intelligence | Ninja Signal