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CVE-2026-54772

HIGH
7.5
CVSS 3.1
Description
CoreWCF is a port of the service side of Windows Communication Foundation (WCF) to .NET Core. Prior to 1.8.1 and 1.9.1, an unauthenticated remote attacker that can reach a NetTcpBinding, NetNamedPipeBinding, or UnixDomainSocketBinding endpoint can trigger premature EOF handling in the CoreWCF net.tcp, net.pipe, or net.uds framing handshake and pin one server thread-pool worker at full CPU per connection. This issue is fixed in versions 1.8.1 and 1.9.1.

Metadata

CVE ID
CVE-2026-54772
State
PUBLISHED
Assigner
GitHub_M
Reserved
2026-06-15 23:23 UTC
Published
2026-07-08 22:06 UTC
Last updated
2026-07-08 22:06 UTC
Primary CWE
CWE-400
CWE-400: Uncontrolled Resource Consumption
Vendor / Product
CoreWCF / CoreWCF
Sources
cve.org  ·  NVD

Severity & Metrics

7.5 HIGH CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products (1)
VendorProductPlatformVersions
CoreWCF CoreWCF — >= 1.9.0, < 1.9.1, < 1.8.1
Weakness (CWE)
CWESourceDescription
CWE-400 cna CWE-400: Uncontrolled Resource Consumption
CWE-835 cna CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')
CVSS scores (1)
ScoreSeverityVersionSourceVector
7.5 HIGH 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References (6)
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