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CoreWCF NetNamedPipe transport accepts attach to a pre-existing named pipe instance

🗓️ 19 Jun 2026 20:46:55Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 4 Views

CoreWCF NetNamedPipe can attach to a pre existing named pipe, enabling local interception via a pipe creation race.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-54777
19 Jun 202620:46
cve
OSV
GHSA-6JJ2-4Q5C-X8G6 CoreWCF NetNamedPipe transport accepts attach to a pre-existing named pipe instance
19 Jun 202620:46
osv
Positive Technologies
PT-2026-51074
19 Jun 202600:00
ptsecurity
Vulners
Node
corewcf.netnamedpipeRange1.9.01.9.1nuget
OR
corewcf.netnamedpipeRange<1.8.1nuget

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