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CVE-2026-56020

🗓️ 18 Jun 2026 17:16:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 3 Views

Unauthenticated attackers impersonate users by forging an HTTP header with a client certificate.

Related
Refs
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ATTACKERKB
CVE-2026-56020
18 Jun 202616:12
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CVE-2026-56020
18 Jun 202617:59
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CVE-2026-56020
18 Jun 202616:12
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CVE-2026-56020 Webmin HTTP header authentication bypass
18 Jun 202616:12
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EUVD-2026-37909
18 Jun 202616:12
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CVE-2026-56020
18 Jun 202617:16
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OSV
CVE-2026-56020 Webmin HTTP header authentication bypass
18 Jun 202616:12
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Positive Technologies
PT-2026-50711
18 Jun 202600:00
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ICS
Webmin multiple vulnerabilities
18 Jun 202615:56
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Vulnrichment
CVE-2026-56020 Webmin HTTP header authentication bypass
18 Jun 202616:12
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26 Jun 2026 07:56Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.18.1
CVSS 49.2
EPSS0.00285
SSVC
3