CVE detail
CVE-2026-54778
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, CoreWCF UnixDomainSocket POSIX peer identity resolution uses non-reentrant getpwuid and getgrgid calls, allowing concurrent connections to attribute one connection's identity to another or crash the host process under contention. This issue is fixed in versions 1.8.1 and 1.9.1.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 19.5 · diversity 5.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 6
- within the 30d window
- Peak daily
- 6
- highest bucket
Evidence
Source links by recency
6 source links · newest first
No excerpt available.
Exploitgithub.comJul 8, 2026, 11:16 PMNo excerpt available.
Exploitgithub.comJul 8, 2026, 11:16 PMNo excerpt available.
Exploitgithub.comJul 8, 2026, 11:16 PMNo excerpt available.
Exploitgithub.comJul 8, 2026, 11:16 PMNo excerpt available.
Exploitgithub.comJul 8, 2026, 11:16 PMNo excerpt available.
Exploitgithub.comJul 8, 2026, 11:16 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
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