CVE-2026-126780
Deferred Deferred - Pending Action

Privilege Escalation in Webmin via Arbitrary Module Assignment

Vulnerability report for CVE-2026-126780, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-11-11

Last updated on: 2026-11-11

Assigner: VulnCheck

Description

Webmin through 2.670 contains a privilege escalation vulnerability in acl/save_group.cgi that allows delegated administrators to grant unauthorized modules by submitting arbitrary module lists in the mod parameter. Attackers with Webmin Users module access can create or edit groups holding modules like Command Shell and assign themselves membership to execute commands as root.

CVSS Scores

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Meta Information

Published
2026-11-11
Last Modified
2026-11-11
Generated
2026-11-11
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
webmin webmin From 0 (inc) to 2.670 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-269 The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Attack-Flow Graph

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0/70

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