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CVE-2026-56021: Incorrect Regular Expression

🗓️ 18 Jun 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 2 Views

Unauthenticated arbitrary file read in Webmin via bypassable regex for .conf files.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-56021
18 Jun 202616:11
–attackerkb
circl
Circl
CVE-2026-56021
18 Jun 202617:50
–circl
cve
CVE
CVE-2026-56021
18 Jun 202616:11
–cve
cvelist
Cvelist
CVE-2026-56021 Webmin information disclosure via regex pattern
18 Jun 202616:11
–cvelist
euvd
EUVD
EUVD-2026-37908
18 Jun 202616:11
–euvd
nvd
NVD
CVE-2026-56021
18 Jun 202617:16
–nvd
ptsecurity
Positive Technologies
PT-2026-50712
18 Jun 202600:00
–ptsecurity
ubuntucve
UbuntuCve
CVE-2026-56021
18 Jun 202617:16
–ubuntucve
vulnrichment
Vulnrichment
CVE-2026-56021 Webmin information disclosure via regex pattern
18 Jun 202616:11
–vulnrichment

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11 Aug 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.3
CVSS 46.9
EPSS0.00476
SSVC
2