{"id":"CVE-2026-48504","sourceIdentifier":"security-advisories@github.com","published":"2026-07-17T20:17:21.413","lastModified":"2026-10-24T20:10:00.137","vulnStatus":"Awaiting Analysis","cveTags":[],"descriptions":[{"lang":"en","value":"OpenTelemetry Rust is the Rust OpenTelemetry implementation. In 0.32.0 and earlier, BaggagePropagator::extract_with_context in opentelemetry_sdk did not enforce W3C Baggage size limits before parsing an inbound baggage header, so a large attacker-controlled header could cause unnecessary CPU work and short-lived heap allocations while parsing entries later discarded by the SDK's baggage storage limits. Services that accept untrusted inbound propagation headers may experience increased per-request resource usage when processing oversized baggage headers. This issue is fixed in version 0.32.1."},{"lang":"es","value":"OpenTelemetry Rust es la implementación de OpenTelemetry en Rust. En la versión 0.32.0 y anteriores, BaggagePropagator::extract_with_context en opentelemetry_sdk no aplicaba los límites de tamaño de W3C Baggage antes de analizar una cabecera de baggage entrante, por lo que una cabecera grande controlada por el atacante podría causar trabajo de CPU innecesario y asignaciones de memoria heap de corta duración mientras analizaba entradas que luego serían descartadas por los límites de almacenamiento de baggage del SDK. Los servicios que aceptan cabeceras de propagación entrantes no confiables pueden experimentar un mayor uso de recursos por solicitud al procesar cabeceras de baggage de tamaño excesivo. Este problema está solucionado en la versión 0.32.1."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"open-telemetry","product":"opentelemetry-rust","versions":[{"version":"< 0.32.1","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":3.9,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-20T15:18:06.574969Z","id":"CVE-2026-48504","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-770"}]}],"references":[{"url":"https://github.com/open-telemetry/opentelemetry-rust/commit/a389ca6b3e416416bc8fc9b01cf6076b9182ed14","source":"security-advisories@github.com"},{"url":"https://github.com/open-telemetry/opentelemetry-rust/security/advisories/GHSA-w9wp-h8wv-79jx","source":"security-advisories@github.com"}]}