CVE-2026-50273 Datadog .NET Tracer: Improper parsing of W3C baggage headers may lead to DoS

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 DDTRACEBAGGAGEMAXITEMS or DDTRACEBAGGAGEMAXBYTES on extraction, allowing a remote...

CVE-2026-50273

Datadog .NET Tracer (dd-trace-dotnet) is affected prior to version 3.43.0 by CVE-2026-50273 due to improper parsing of W3C baggage headers. The extraction path does not enforce DD_TRACE_BAGGAGE_MAX_ITEMS or DD_TRACE_BAGGAGE_MAX_BYTES, allowing a remote unauthenticated attacker to send a header wi...

GHSA-P5F6-RCCC-JV98 dd-trace-rb: Improper parsing of W3C baggage headers may lead to DoS

Impact Datadog tracing libraries that implement W3C baggage propagation parse incoming baggage HTTP headers without enforcing item-count or byte-size limits on the extract path. The DDTRACEBAGGAGEMAXITEMS default 64 and DDTRACEBAGGAGEMAXBYTES default 8192 limits were applied only to baggage...

GHSA-38WR-VPC7-2MP4 dd-trace-dotnet: Improper parsing of W3C baggage headers may lead to DoS

Impact Datadog tracing libraries that implement W3C baggage propagation parse incoming baggage HTTP headers without enforcing item-count or byte-size limits on the extract path. The DDTRACEBAGGAGEMAXITEMS default 64 and DDTRACEBAGGAGEMAXBYTES default 8192 limits were applied only to baggage...

PT-2026-60363

Name of the Vulnerable Software and Affected Versions dd-trace-go versions prior to 2.8.1 Description Datadog tracing libraries implementing W3C baggage propagation fail to enforce limits on the number of items or total bytes when parsing incoming baggage HTTP headers during the extraction proces...

Meridian: Multiple defense-in-depth gaps (collection/depth caps, telemetry, retry, fan-out)

Summary Meridian v2.1.0 Meridian.Mapping and Meridian.Mediator shipped with nine defense-in-depth gaps reachable through its public APIs. Two are HIGH severity — the advertised DefaultMaxCollectionItems and DefaultMaxDepth safety caps are silently bypassed on the IMapper.Mapsource, destination...