CVE-2026-50274

A flaw was found in Datadog dd-trace-go, a Go client library. A remote, unauthenticated attacker can exploit this vulnerability by sending a request with a specially crafted baggage header containing an arbitrarily large number of key-value pairs or a very large single value. This can lead to...

CVE-2026-50271

Datadog dd-trace-py is the Datadog Python APM client. Prior to 4.8.2, Datadog tracing libraries that implement W3C baggage propagation parse incoming baggage HTTP headers without enforcing DDTRACEBAGGAGEMAXITEMS or DDTRACEBAGGAGEMAXBYTES limits on the extract path. A remote, unauthenticated...

CVE-2026-50272

dd-trace is the Datadog APM client for Node.js. Prior to 5.100.0, W3C baggage propagation in packages/dd-trace/src/baggage.js and packages/dd-trace/src/opentracing/propagation/textmap.js parsed incoming baggage HTTP headers without enforcing DDTRACEBAGGAGEMAXITEMS or DDTRACEBAGGAGEMAXBYTES on...

EUVD-2026-45329

Datadog dd-trace-py is the Datadog Python APM client. Prior to 4.8.2, Datadog tracing libraries that implement W3C baggage propagation parse incoming baggage HTTP headers without enforcing DDTRACEBAGGAGEMAXITEMS or DDTRACEBAGGAGEMAXBYTES limits on the extract path. A remote, unauthenticated...

EUVD-2026-45328

Datadog dd-trace-go is a Go client library for Datadog application performance monitoring, profiling, and security monitoring. Prior to 2.8.1, Datadog tracing libraries that implement W3C baggage propagation parse incoming baggage HTTP headers without enforcing DDTRACEBAGGAGEMAXITEMS or...

CVE-2026-50274

Datadog dd-trace-go (Go client library for Datadog APM/ profiling/ security monitoring) is affected prior to version 2.8.1 due to improper enforcement of DD_TRACE_BAGGAGE_MAX_ITEMS/MAX_BYTES on the baggage header extract path. A remote, unauthenticated attacker can send HTTP requests with an exce...

CVE-2026-50272

CVE-2026-50272 affects dd-trace for Node.js (pre-5.100.0). The issue occurs in W3C baggage propagation: baggage headers are parsed without enforcing DD_TRACE_BAGGAGE_MAX_ITEMS or DD_TRACE_BAGGAGE_MAX_BYTES during extraction in packages/dd-trace/src/baggage.js and packages/dd-trace/src/opentracing...

CVE-2026-50272 dd-trace: Improper parsing of W3C baggage headers may lead to DoS

dd-trace is the Datadog APM client for Node.js. Prior to 5.100.0, W3C baggage propagation in packages/dd-trace/src/baggage.js and packages/dd-trace/src/opentracing/propagation/textmap.js parsed incoming baggage HTTP headers without enforcing DDTRACEBAGGAGEMAXITEMS or DDTRACEBAGGAGEMAXBYTES on...

CVE-2026-48504

OpenTelemetry Rust is the Rust OpenTelemetry implementation. In 0.32.0 and earlier, BaggagePropagator::extractwithcontext in opentelemetrysdk did not enforce W3C Baggage size limits before parsing an inbound baggage header, so a large attacker-controlled header could cause unnecessary CPU work an...

CVE-2026-50273

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: 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...

dd-trace-js: 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...

Allocation of Resources Without Limits or Throttling

Overview ddtrace is a Datadog APM client library Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the BaggageHeader.extract parser in ddtrace/propagation/http.py. An attacker can force unbounded CPU and memory use by sending a reques...

GHSA-74XJ-WH4W-VQXC dd-trace-java: 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...

PYSEC-2026-2584 LangSmith Client SDK Affected by Server-Side Request Forgery via Tracing Header Injection

Summary The LangSmith SDK's distributed tracing feature is vulnerable to Server-Side Request Forgery via malicious HTTP headers. An attacker can inject arbitrary apiurl values through the baggage header, causing the SDK to exfiltrate sensitive trace data to attacker-controlled endpoints. ---...

opentelemetry_sdk has unbounded memory allocation in W3C Baggage propagation

Summary BaggagePropagator::extractwithcontext in opentelemetrysdk did not enforce the W3C Baggage size limits before parsing an inbound baggage header. A large attacker-controlled header could cause unnecessary CPU work and short-lived heap allocations while parsing entries that would later be...

PT-2026-52642

Name of the Vulnerable Software and Affected Versions OpenTelemetry Rust versions 0.32.0 and earlier Description The BaggagePropagator::extract with context function in opentelemetry sdk fails to enforce W3C Baggage size limits before parsing an inbound baggage header. An attacker can provide a...

CVE-2026-54285 opentelemetry-js: Unbounded memory allocation in W3C Baggage propagation

opentelemetry-js is the OpenTelemetry JavaScript Client. Prior to 2.8.0, W3CBaggagePropagator.extract in @opentelemetry/core does not enforce size limits when parsing inbound baggage HTTP headers. The W3C Baggage specification recommends a maximum of 8,192 bytes and 180 entries; these limits were...

CVE-2026-54285 opentelemetry-js: Unbounded memory allocation in W3C Baggage propagation

opentelemetry-js is the OpenTelemetry JavaScript Client. Prior to 2.8.0, W3CBaggagePropagator.extract in @opentelemetry/core does not enforce size limits when parsing inbound baggage HTTP headers. The W3C Baggage specification recommends a maximum of 8,192 bytes and 180 entries; these limits were...