6.9
CVE-2026-56022
- EPSS 0.56%
- Veröffentlicht 18.06.2026 16:11:22
- Zuletzt bearbeitet 11.08.2026 17:05:35
- CVE-Watchlists
- Unerledigt
Webmin MFA bypass
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.
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.56% | 0.435 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| cisa-cg | 6.9 | 0 | 0 |
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/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
|
| cisa-cg | 5.3 | 3.9 | 1.4 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
|
CWE-308 Use of Single-factor Authentication
The product uses an authentication algorithm that uses a single factor (e.g., a password) in a security context that should require more than one factor.
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https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-169-02.json
https://github.com/webmin/webmin/releases/tag/2.640
https://webmin.com/security/#webmin-prior-to-2640
https://www.cve.org/CVERecord?id=CVE-2026-56022