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CVE-2026-125391

7.2, high

webmin OS Command Injection Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab)
CVSS
7.2, high high CVSS v3.1
EPSS, next 30 days
n/a
Exploitation
No public evidence
Published
10 Nov 2026today

Description

Webmin through 2.670 contains an OS command injection vulnerability in samba/save_euser.cgi that allows authenticated Samba user maintainers to inject commands via unvalidated opts parameter. Attackers can embed shell metacharacters in account option flags passed by create_user and modify_user to backquote_logged, executing commands as root.

Details

Vendor
Webmin
Product
webmin
Weakness
CWE-78 (opens in a new tab)
Status
Deferred
Updated
10 Nov 2026
Assigner
disclosure@vulncheck.com

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References 4

Patches and fixes 1

Other references 3

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Webmin CVEs

Every Webmin CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2019-15107 Webmin Command Injection Vulnerability KEV EPSS 100% 9.8, critical
  • CVE-2026-123620 Webmin usermin OS Command Injection Vulnerability EPSS 1% 7.5, high

Beyond this page

Is CVE-2026-125391 in your network?

This page tells you how dangerous CVE-2026-125391 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

  • EXYS7600 OCELOT

    Find it before attackers do

    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2026-125391 comes with the devices to patch.

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  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

    Learn more about EXYS7950 KONDRA
Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 10 Nov 2026, not the live upstream state.