CVE Explorer
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 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 propaga
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"dd-trace-dotnet","vendor":"DataDog","versions":[{"status":"affected","version":"< 3.43.0"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:a6d12b06bf668b4ef6cae258104c5ebcdef5ead372352dda583c742d68263167 · sha256:5cbb3673131c07fb… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"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"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:a6d12b06bf668b4ef6cae258104c5ebcdef5ead372352dda583c742d68263167 · sha256:5cbb3673131c07fb… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-770","description":"CWE-770: Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:a6d12b06bf668b4ef6cae258104c5ebcdef5ead372352dda583c742d68263167 · sha256:5cbb3673131c07fb… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"name":"https://github.com/DataDog/dd-trace-dotnet/commit/38092e0d41a36decbe649e048e48ae1b1607292f","tags":["x_refsource_MISC"],"url":"https://github.com/DataDog/dd-trace-dotnet/commit/38092e0d41a36decbe649e048e48ae1b1607292f"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:a6d12b06bf668b4ef6cae258104c5ebcdef5ead372352dda583c742d68263167 · sha256:5cbb3673131c07fb… · /containers/cna/references/2
{"name":"https://github.com/DataDog/dd-trace-dotnet/pull/8555","tags":["x_refsource_MISC"],"url":"https://github.com/DataDog/dd-trace-dotnet/pull/8555"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:a6d12b06bf668b4ef6cae258104c5ebcdef5ead372352dda583c742d68263167 · sha256:5cbb3673131c07fb… · /containers/cna/references/1
{"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"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:a6d12b06bf668b4ef6cae258104c5ebcdef5ead372352dda583c742d68263167 · sha256:5cbb3673131c07fb… · /containers/cna/references/3
{"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"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:a6d12b06bf668b4ef6cae258104c5ebcdef5ead372352dda583c742d68263167 · sha256:5cbb3673131c07fb… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.