CVE-2026-54772
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| CoreWCF | CoreWCF | >= 1.9.0, < 1.9.1 | affected |
| CoreWCF | CoreWCF | < 1.8.1 | affected |
Weaknesses
- CWE-400: CWE-400: Uncontrolled Resource Consumption
- CWE-835: CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')
References
- https://github.com/CoreWCF/CoreWCF/security/advisories/GHSA-p86g-xrr2-pf7c
- https://github.com/CoreWCF/CoreWCF/commit/03ddbced349931a2da6c0efcdf745c0722eff77c
- https://github.com/CoreWCF/CoreWCF/commit/7ddd966d6e58564a32ab30c825dd693b45a34a55
- https://github.com/CoreWCF/CoreWCF/commit/c4212988cd6fd472783d0413426eeac61044097a
- https://github.com/CoreWCF/CoreWCF/releases/tag/v1.8.1
- https://github.com/CoreWCF/CoreWCF/releases/tag/v1.9.1
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