CVE-2026-56021

MEDIUM

Webmin information disclosure via regex pattern

Title source: cna
STIX 2.1

Description

Webmin allows unauthenticated attackers to read the contents of any file ending in .conf within module directories, due to a bypassable regex pattern.

Scores

CVSS v3 5.3
EPSS 0.0028
EPSS Percentile 19.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-185 CWE-777
Status published
Products (1)
Webmin/Webmin
Published Jun 18, 2026
Tracked Since Jun 18, 2026