CVE-2026-40894mediumCWE-789

CVE-2026-40894: fallo de gravedad media en open-telemetry OpenTelemetry.Api

OpenTelemetry dotnet: Excessive memory allocation when parsing OpenTelemetry propagation headers

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Seguir esta CVE+ Monitorear opentelemetry-dotnet+ Monitorear OpenTelemetry.Api

Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.

13Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 5.3epss 0.5%
OpenTelemetry dotnet is a dotnet telemetry framework. In OpenTelemetry.Api 0.5.0-beta.2 to 1.15.2 and OpenTelemetry.Extensions.Propagators 1.3.1 to 1.15.2, The implementation details of the baggage, B3 and Jaeger processing code in the OpenTelemetry.Api and OpenTelemetry.Extensions.Propagators NuGet packages can allocate excessive memory when parsing which could create a potential denial of service (DoS) in the consuming application. This vulnerability is fixed in 1.15.3.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Productos afectados
open-telemetry · OpenTelemetry.Apiopen-telemetry · opentelemetry-dotnetopen-telemetry · OpenTelemetry.Extensions.Propagators
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