{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-50275", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-04T16:26:05.984Z", "datePublished": "2026-09-17T20:04:26.605Z", "dateUpdated": "2026-09-17T20:04:26.605Z"}, "containers": {"cna": {"title": "Datadog PHP 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-php/security/advisories/GHSA-phwx-ww2p-cv9v", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/DataDog/dd-trace-php/security/advisories/GHSA-phwx-ww2p-cv9v"}, {"name": "https://github.com/DataDog/dd-trace-php/pull/3854", "tags": ["x_refsource_MISC"], "url": "https://github.com/DataDog/dd-trace-php/pull/3854"}, {"name": "https://github.com/DataDog/dd-trace-php/commit/2f7987eb02e306bb62bce8ec4152dece68112f51", "tags": ["x_refsource_MISC"], "url": "https://github.com/DataDog/dd-trace-php/commit/2f7987eb02e306bb62bce8ec4152dece68112f51"}, {"name": "https://github.com/DataDog/dd-trace-php/commit/43072ccafe55a5dbdfba75a42bf316b4150ae1e5", "tags": ["x_refsource_MISC"], "url": "https://github.com/DataDog/dd-trace-php/commit/43072ccafe55a5dbdfba75a42bf316b4150ae1e5"}, {"name": "https://github.com/DataDog/dd-trace-php/releases/tag/1.19.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/DataDog/dd-trace-php/releases/tag/1.19.2"}, {"name": "https://github.com/DataDog/dd-trace-php/releases/tag/1.20.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/DataDog/dd-trace-php/releases/tag/1.20.0"}], "affected": [{"vendor": "DataDog", "product": "dd-trace-php", "versions": [{"version": "< 1.19.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-17T20:04:26.605Z"}, "descriptions": [{"lang": "en", "value": "The Datadog PHP Tracer provides application performance monitoring and distributed tracing for PHP. Prior to 1.19.2, ddtrace_deserialize_baggage in ext/distributed_tracing_headers.c parses incoming W3C baggage HTTP headers without enforcing DD_TRACE_BAGGAGE_MAX_ITEMS or DD_TRACE_BAGGAGE_MAX_BYTES. A remote unauthenticated client can send an arbitrarily large number of comma-separated key-value pairs or a single oversized value, causing the tracer to allocate hash-map entries and consume unbounded CPU and memory on each request. Baggage extraction is enabled by default in most affected deployments unless baggage is removed from DD_TRACE_PROPAGATION_STYLE or DD_TRACE_PROPAGATION_STYLE_EXTRACT. This issue is fixed in version 1.19.2."}], "source": {"advisory": "GHSA-phwx-ww2p-cv9v", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "dd-trace-php", "vendor": "DataDog", "versions": [{"status": "affected", "version": "< 1.19.2"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Datadog PHP Tracer provides application performance monitoring and distributed tracing for PHP. Prior to 1.19.2, ddtrace_deserialize_baggage in ext/distributed_tracing_headers.c parses incoming W3C baggage HTTP headers without enforcing DD_TRACE_BAGGAGE_MAX_ITEMS or DD_TRACE_BAGGAGE_MAX_BYTES. A remote unauthenticated client can send an arbitrarily large number of comma-separated key-value pairs or a single oversized value, causing the tracer to allocate hash-map entries and consume unbounded CPU and memory on each request. Baggage extraction is enabled by default in most affected deployments unless baggage is removed from DD_TRACE_PROPAGATION_STYLE or DD_TRACE_PROPAGATION_STYLE_EXTRACT. This issue is fixed in version 1.19.2."}], "id": "CVE-2026-50275", "lastModified": "2026-09-17T21:17:14.073", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-17T21:17:14.073", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/DataDog/dd-trace-php/commit/2f7987eb02e306bb62bce8ec4152dece68112f51"}, {"source": "security-advisories@github.com", "url": "https://github.com/DataDog/dd-trace-php/commit/43072ccafe55a5dbdfba75a42bf316b4150ae1e5"}, {"source": "security-advisories@github.com", "url": "https://github.com/DataDog/dd-trace-php/pull/3854"}, {"source": "security-advisories@github.com", "url": "https://github.com/DataDog/dd-trace-php/releases/tag/1.19.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/DataDog/dd-trace-php/releases/tag/1.20.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/DataDog/dd-trace-php/security/advisories/GHSA-phwx-ww2p-cv9v"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}