{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54788", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-15T23:23:57.714Z", "datePublished": "2026-08-28T16:33:49.032Z", "dateUpdated": "2026-08-31T18:57:14.867Z"}, "containers": {"cna": {"title": "dd-trace-rs: Unbounded W3C tracestate parsing 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-rs/security/advisories/GHSA-gpwf-4h98-v82q", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/DataDog/dd-trace-rs/security/advisories/GHSA-gpwf-4h98-v82q"}, {"name": "https://github.com/DataDog/dd-trace-rs/pull/218", "tags": ["x_refsource_MISC"], "url": "https://github.com/DataDog/dd-trace-rs/pull/218"}, {"name": "https://github.com/DataDog/dd-trace-rs/commit/77c5d185c71d0ea8103da0e6cf4cd50677ffacd2", "tags": ["x_refsource_MISC"], "url": "https://github.com/DataDog/dd-trace-rs/commit/77c5d185c71d0ea8103da0e6cf4cd50677ffacd2"}, {"name": "https://github.com/DataDog/dd-trace-rs/releases/tag/datadog-opentelemetry-v0.3.3", "tags": ["x_refsource_MISC"], "url": "https://github.com/DataDog/dd-trace-rs/releases/tag/datadog-opentelemetry-v0.3.3"}], "affected": [{"vendor": "DataDog", "product": "dd-trace-rs", "versions": [{"version": ">= 0.1.0, < 0.3.3", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-28T16:33:49.032Z"}, "descriptions": [{"lang": "en", "value": "dd-trace-rs provides Datadog application performance monitoring for Rust. From 0.1.0 until 0.3.3, datadog-opentelemetry/src/propagation/tracecontext.rs parses the W3C tracestate header and collects every semicolon-separated key and value pair in the Datadog dd=... vendor entry into a HashMap without enforcing a pair count or entry size limit. Because tracecontext extraction is enabled by default, a remote unauthenticated attacker can send an arbitrarily large dd=... entry and force excessive CPU and memory consumption for each request, causing denial of service in an instrumented network service. This vulnerability is fixed in 0.3.3."}], "source": {"advisory": "GHSA-gpwf-4h98-v82q", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-31T18:57:04.416602Z", "id": "CVE-2026-54788", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-31T18:57:14.867Z"}}]}}

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{"affected": [{"affectedData": [{"product": "dd-trace-rs", "vendor": "DataDog", "versions": [{"status": "affected", "version": ">= 0.1.0, < 0.3.3"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "dd-trace-rs provides Datadog application performance monitoring for Rust. From 0.1.0 until 0.3.3, datadog-opentelemetry/src/propagation/tracecontext.rs parses the W3C tracestate header and collects every semicolon-separated key and value pair in the Datadog dd=... vendor entry into a HashMap without enforcing a pair count or entry size limit. Because tracecontext extraction is enabled by default, a remote unauthenticated attacker can send an arbitrarily large dd=... entry and force excessive CPU and memory consumption for each request, causing denial of service in an instrumented network service. This vulnerability is fixed in 0.3.3."}], "id": "CVE-2026-54788", "lastModified": "2026-08-31T19:16:53.413", "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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-54788", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-31T18:57:04.416602Z", "version": "2.0.3"}}]}, "published": "2026-08-28T20:18:17.950", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/DataDog/dd-trace-rs/commit/77c5d185c71d0ea8103da0e6cf4cd50677ffacd2"}, {"source": "security-advisories@github.com", "url": "https://github.com/DataDog/dd-trace-rs/pull/218"}, {"source": "security-advisories@github.com", "url": "https://github.com/DataDog/dd-trace-rs/releases/tag/datadog-opentelemetry-v0.3.3"}, {"source": "security-advisories@github.com", "url": "https://github.com/DataDog/dd-trace-rs/security/advisories/GHSA-gpwf-4h98-v82q"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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