CVE-2026-40894Published

OpenTelemetry dotnet: Excessive memory allocation when parsing OpenTelemetry propagation headers

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-40894

Published

opentelemetry-dotnet

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "open-telemetry",
                    "product": "opentelemetry-dotnet",
                    "versions": [
                        {
                            "version": ">= 0.5.0-beta.2, < 1.15.3",
                            "status": "affected"
                        }
                    ]
                }

OpenTelemetry.Api

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "open-telemetry",
                    "product": "OpenTelemetry.Api",
                    "versions": [
                        {
                            "version": ">= 0.5.0-beta.2, < 1.15.3",
                            "status": "affected"
                        }
                    ]
                }

OpenTelemetry.Extensions.Propagators

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "open-telemetry",
                    "product": "OpenTelemetry.Extensions.Propagators",
                    "versions": [
                        {
                            "version": ">= 1.3.1, < 1.15.3",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON