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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-40894 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/open-telemetry/opentelemetry-dotnet/pull/1048 GitHub, Inc.
https://github.com/open-telemetry/opentelemetry-dotnet/pull/3244 GitHub, Inc.
https://github.com/open-telemetry/opentelemetry-dotnet/pull/3309 GitHub, Inc.
https://github.com/open-telemetry/opentelemetry-dotnet/pull/533 GitHub, Inc.
https://github.com/open-telemetry/opentelemetry-dotnet/pull/7061 GitHub, Inc.
https://github.com/open-telemetry/opentelemetry-dotnet/security/advisories/GHSA-g94r-2vxg-569j GitHub, Inc.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-789 Memory Allocation with Excessive Size Value GitHub, Inc.  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-40894
NVD Published Date:
04/23/2026
NVD Last Modified:
04/24/2026
Source:
GitHub, Inc.