CVE-2026-40894
Published: Apr 23, 2026
Modified: Apr 23, 2026
CVSS v3.1
5.3
Description
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.
| Vendor | Product | Versions |
|---|---|---|
open-telemetry | opentelemetry-dotnet | affected >= 0.5.0-beta.2, < 1.15.3 |
open-telemetry | OpenTelemetry.Api | affected >= 0.5.0-beta.2, < 1.15.3 |
open-telemetry | OpenTelemetry.Extensions.Propagators | affected >= 1.3.1, < 1.15.3 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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