CVE-2026-56021

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

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/webmin/webmin/releases/tag/2.641	Product Release Notes
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-169-02.json	VDB Entry
https://webmin.com/security/#webmin-prior-to-2641	Vendor Advisory
https://www.cve.org/CVERecord?id=CVE-2026-56021	VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:webmin:webmin:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-06-18 17:16

Updated : 2026-08-11 12:17

NVD link : CVE-2026-56021

Mitre link : CVE-2026-56021

CVE.ORG link : CVE-2026-56021

JSON object : View

Products Affected

webmin

webmin

CWE

CWE-185

Incorrect Regular Expression

CWE-777

Regular Expression without Anchors

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