CVE-2026-54772

{"id": "CVE-2026-54772", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-54772", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-09T14:19:10.629206Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "CoreWCF", "product": "CoreWCF", "versions": [{"status": "affected", "version": ">= 1.9.0, < 1.9.1"}, {"status": "affected", "version": "< 1.8.1"}]}]}], "published": "2026-07-08T23:16:54.830", "references": [{"url": "https://github.com/CoreWCF/CoreWCF/commit/03ddbced349931a2da6c0efcdf745c0722eff77c", "source": "security-advisories@github.com"}, {"url": "https://github.com/CoreWCF/CoreWCF/commit/7ddd966d6e58564a32ab30c825dd693b45a34a55", "source": "security-advisories@github.com"}, {"url": "https://github.com/CoreWCF/CoreWCF/commit/c4212988cd6fd472783d0413426eeac61044097a", "source": "security-advisories@github.com"}, {"url": "https://github.com/CoreWCF/CoreWCF/releases/tag/v1.8.1", "source": "security-advisories@github.com"}, {"url": "https://github.com/CoreWCF/CoreWCF/releases/tag/v1.9.1", "source": "security-advisories@github.com"}, {"url": "https://github.com/CoreWCF/CoreWCF/security/advisories/GHSA-p86g-xrr2-pf7c", "source": "security-advisories@github.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-400"}, {"lang": "en", "value": "CWE-835"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-07-09T16:29:14.203", "sourceIdentifier": "security-advisories@github.com"}