VULNERABILITY INTELLIGENCE

CVE-2026-56022

CVSS score5.3 MEDIUM
EPSS probability0.56%
CISA KEVNot currently listed
Published2026-06-18
Last modified2026-08-11
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Description

Webmin accepts basic authentication without session cookies when an attacker provides the 'User-Agent: webmin' header, allowing bypass of additional MFA requirements. Fixed in 2.640.

Weakness classification

  • 9119a7d8-5eab-497f-8521-727c672e3725: CWE-308

Primary references