Unrated severityNVD Advisory· Published Jun 18, 2026
Webmin MFA bypass
CVE-2026-56022
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 2.641.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2Patches
Vulnerability mechanics
No source-code context for this CVE — mechanics is only generated when we can read the actual fix diff. Without that, the four sections (root cause, attack vector, affected code, fix) would be speculation rather than analysis.
References
4- github.com/webmin/webmin/releases/tag/2.641mitrerelease-notes
- webmin.com/security/mitrerelease-notes
- www.cve.org/CVERecordmitrevdb-entry
- raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-169-02.jsonmitre
News mentions
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