CVE-2026-56021

MEDIUM EPSS 19.7%
Published Jun 18, 20262w ago · Modified Jun 22, 20261w ago
6.9 CVSS 4.0
Medium
Find Similar
Published Jun 18, 2026 2w ago
Last Modified Jun 22, 2026 1w ago

Description

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

CVSS Details

Base Score
6.9
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
19.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-185
CWE-777

References 4

  • github.com https://github.com/webmin/webmin/releases/tag/2.641
  • raw.githubusercontent.com https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-169-02.json
  • webmin.com https://webmin.com/security/#webmin-prior-to-2641
  • cve.org https://www.cve.org/CVERecord?id=CVE-2026-56021

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.