CVE Explorer
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 DD_TRACE_BAGGAGE_MAX_ITEMS or DD_TRACE_BAGGAGE_MAX_BYTES limits on the extract path. A remote, unauthenticated attacker can send a request whose baggage header contains an arbitrarily large number of comma-separated key-value pairs or a single very large value, causing unbounded CPU and memory consumption and
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"dd-trace-py","vendor":"DataDog","versions":[{"status":"affected","version":"< 4.8.2"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:11a5f28c42a6f7c749557b6393b2a3222ce35fabdfa687ee3c6fdbec54093e25 · sha256:4e88364117c64f11… · /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:v2:11a5f28c42a6f7c749557b6393b2a3222ce35fabdfa687ee3c6fdbec54093e25 · sha256:4e88364117c64f11… · /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:v2:11a5f28c42a6f7c749557b6393b2a3222ce35fabdfa687ee3c6fdbec54093e25 · sha256:4e88364117c64f11… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"name":"https://github.com/DataDog/dd-trace-py/commit/9c80faa3dcfe238d008c3b3cd0b8e5dfef0aa4cd","tags":["x_refsource_MISC"],"url":"https://github.com/DataDog/dd-trace-py/commit/9c80faa3dcfe238d008c3b3cd0b8e5dfef0aa4cd"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:11a5f28c42a6f7c749557b6393b2a3222ce35fabdfa687ee3c6fdbec54093e25 · sha256:4e88364117c64f11… · /containers/cna/references/2
{"name":"https://github.com/DataDog/dd-trace-py/pull/17926","tags":["x_refsource_MISC"],"url":"https://github.com/DataDog/dd-trace-py/pull/17926"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:11a5f28c42a6f7c749557b6393b2a3222ce35fabdfa687ee3c6fdbec54093e25 · sha256:4e88364117c64f11… · /containers/cna/references/1
{"name":"https://github.com/DataDog/dd-trace-py/releases/tag/v4.8.2","tags":["x_refsource_MISC"],"url":"https://github.com/DataDog/dd-trace-py/releases/tag/v4.8.2"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:11a5f28c42a6f7c749557b6393b2a3222ce35fabdfa687ee3c6fdbec54093e25 · sha256:4e88364117c64f11… · /containers/cna/references/3
{"name":"https://github.com/DataDog/dd-trace-py/security/advisories/GHSA-mw54-j2v2-42hr","tags":["x_refsource_CONFIRM"],"url":"https://github.com/DataDog/dd-trace-py/security/advisories/GHSA-mw54-j2v2-42hr"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:11a5f28c42a6f7c749557b6393b2a3222ce35fabdfa687ee3c6fdbec54093e25 · sha256:4e88364117c64f11… · /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.