{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-50273", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-04T16:26:05.984Z", "datePublished": "2026-07-17T18:01:14.533Z", "dateUpdated": "2026-07-17T19:46:45.397Z"}, "containers": {"cna": {"title": "Datadog .NET Tracer: Improper parsing of W3C baggage headers may lead to DoS", "problemTypes": [{"descriptions": [{"cweId": "CWE-770", "lang": "en", "description": "CWE-770: Allocation of Resources Without Limits or Throttling", "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/DataDog/dd-trace-dotnet/security/advisories/GHSA-38wr-vpc7-2mp4", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/DataDog/dd-trace-dotnet/security/advisories/GHSA-38wr-vpc7-2mp4"}, {"name": "https://github.com/DataDog/dd-trace-dotnet/pull/8555", "tags": ["x_refsource_MISC"], "url": "https://github.com/DataDog/dd-trace-dotnet/pull/8555"}, {"name": "https://github.com/DataDog/dd-trace-dotnet/commit/38092e0d41a36decbe649e048e48ae1b1607292f", "tags": ["x_refsource_MISC"], "url": "https://github.com/DataDog/dd-trace-dotnet/commit/38092e0d41a36decbe649e048e48ae1b1607292f"}, {"name": "https://github.com/DataDog/dd-trace-dotnet/releases/tag/v3.43.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/DataDog/dd-trace-dotnet/releases/tag/v3.43.0"}], "affected": [{"vendor": "DataDog", "product": "dd-trace-dotnet", "versions": [{"version": "< 3.43.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-17T18:01:14.533Z"}, "descriptions": [{"lang": "en", "value": "Datadog .NET Tracer is a client library for Datadog APM for .NET applications. Prior to 3.43.0, Datadog tracing libraries that implement W3C baggage propagation parse incoming baggage HTTP headers without enforcing DD_TRACE_BAGGAGE_MAX_ITEMS or DD_TRACE_BAGGAGE_MAX_BYTES on extraction, allowing a remote unauthenticated attacker to send a baggage header with many comma-separated key-value pairs or one very large value and cause unbounded CPU and memory consumption in services with baggage propagation enabled. This issue is fixed in version 3.43.0."}], "source": {"advisory": "GHSA-38wr-vpc7-2mp4", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-17T19:46:28.497491Z", "id": "CVE-2026-50273", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-17T19:46:45.397Z"}}]}}

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