{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54772", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-15T23:23:57.713Z", "datePublished": "2026-07-08T22:06:08.914Z", "dateUpdated": "2026-07-08T22:06:08.914Z"}, "containers": {"cna": {"title": "CoreWCF: Pre-authentication infinite-loop CPU exhaustion in CoreWCF net.tcp / net.pipe / net.uds framing handshake", "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "lang": "en", "description": "CWE-400: Uncontrolled Resource Consumption", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-835", "lang": "en", "description": "CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/CoreWCF/CoreWCF/security/advisories/GHSA-p86g-xrr2-pf7c", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/CoreWCF/CoreWCF/security/advisories/GHSA-p86g-xrr2-pf7c"}, {"name": "https://github.com/CoreWCF/CoreWCF/commit/03ddbced349931a2da6c0efcdf745c0722eff77c", "tags": ["x_refsource_MISC"], "url": "https://github.com/CoreWCF/CoreWCF/commit/03ddbced349931a2da6c0efcdf745c0722eff77c"}, {"name": "https://github.com/CoreWCF/CoreWCF/commit/7ddd966d6e58564a32ab30c825dd693b45a34a55", "tags": ["x_refsource_MISC"], "url": "https://github.com/CoreWCF/CoreWCF/commit/7ddd966d6e58564a32ab30c825dd693b45a34a55"}, {"name": "https://github.com/CoreWCF/CoreWCF/commit/c4212988cd6fd472783d0413426eeac61044097a", "tags": ["x_refsource_MISC"], "url": "https://github.com/CoreWCF/CoreWCF/commit/c4212988cd6fd472783d0413426eeac61044097a"}, {"name": "https://github.com/CoreWCF/CoreWCF/releases/tag/v1.8.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/CoreWCF/CoreWCF/releases/tag/v1.8.1"}, {"name": "https://github.com/CoreWCF/CoreWCF/releases/tag/v1.9.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/CoreWCF/CoreWCF/releases/tag/v1.9.1"}], "affected": [{"vendor": "CoreWCF", "product": "CoreWCF", "versions": [{"version": ">= 1.9.0, < 1.9.1", "status": "affected"}, {"version": "< 1.8.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-08T22:06:08.914Z"}, "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."}], "source": {"advisory": "GHSA-p86g-xrr2-pf7c", "discovery": "UNKNOWN"}}}}

{}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.9.0,1.9.1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.8.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "CoreWCF", "source": "cna", "vendor": "CoreWCF"}, "product": "corewcf", "vendor": "corewcf"}], "created": "2026-07-08T23:30:10.214978+00:00", "updated": "2026-07-08T23:30:10.214999+00:00", "vendors": ["corewcf", "corewcf$PRODUCT$corewcf"]}