CVE-2026-40182

OpenTelemetry dotnet is a dotnet telemetry framework. From 1.13.1 to before 1.15.2, When exporting telemetry to a back-end/collector over gRPC or HTTP using OpenTelemetry Protocol format OTLP, if the request results in a unsuccessful request i.e. HTTP 4xx or 5xx, the response is read into memory...

CVE-2026-41078 OpenTelemetry dotnet: Potential memory exhaustion via unbounded pooled-list sizing in Jaeger exporter conversion path

OpenTelemetry dotnet is a dotnet telemetry framework. In 1.6.0-rc.1 and earlier, OpenTelemetry.Exporter.Jaeger may allow sustained memory pressure when the internal pooled-list sizing grows based on a large observed span/tag set and that enlarged size is reused for subsequent allocations. Under...

CVE-2026-40894 OpenTelemetry dotnet: Excessive memory allocation when parsing OpenTelemetry propagation headers

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...

CVE-2026-40891

OpenTelemetry dotnet is a dotnet telemetry framework. From 1.13.1 to before 1.15.2, When exporting telemetry over gRPC using the OpenTelemetry Protocol OTLP, the exporter may parse a server-provided grpc-status-details-bin trailer during retry handling. Prior to the fix, a malformed trailer could...

CVE-2026-40891

OpenTelemetry dotnet (OpenTelemetry .NET telemetry framework) contains a vulnerability in versions 1.13.1 through before 1.15.2. During OTLP/gRPC export, the exporter may parse a server-provided grpc-status-details-bin trailer during retry handling. A malformed trailer could encode a very large l...

CVE-2026-40891 OpenTelemetry dotnet: Unbounded `grpc-status-details-bin` parsing in OTLP/gRPC retry handling

OpenTelemetry dotnet is a dotnet telemetry framework. From 1.13.1 to before 1.15.2, When exporting telemetry over gRPC using the OpenTelemetry Protocol OTLP, the exporter may parse a server-provided grpc-status-details-bin trailer during retry handling. Prior to the fix, a malformed trailer could...

CVE-2026-40182

OpenTelemetry dotnet is a dotnet telemetry framework. From 1.13.1 to before 1.15.2, When exporting telemetry to a back-end/collector over gRPC or HTTP using OpenTelemetry Protocol format OTLP, if the request results in a unsuccessful request i.e. HTTP 4xx or 5xx, the response is read into memory...

OpenTelemetry .NET Contrib 安全漏洞

OpenTelemetry .NET Contrib is an open-source telemetry data collection and processing library developed by OpenTelemetry - CNCF. Previous versions of OpenTelemetry .NET Contrib, such as 0.1.0-alpha.8, contained security vulnerabilities. These vulnerabilities stemmed from reading HTTP response...

PT-2026-34720

Name of the Vulnerable Software and Affected Versions OpenTelemetry.Api versions 0.5.0-beta.2 through 1.15.2 OpenTelemetry.Extensions.Propagators versions 1.3.1 through 1.15.2 Description Implementation details of the baggage, B3, and Jaeger processing code in the OpenTelemetry.Api and...

OpenTelemetry .NET 安全漏洞

OpenTelemetry .NET is the .NET client of OpenTelemetry by OpenTelemetry Inc. There were security vulnerabilities in the version of OpenTelemetry .NET from 1.13.1 to 1.15.2. These vulnerabilities stemmed from the gRPC exporter’s ability to parse the grpc-status-details-bin trailer provided by the...

GHSA-8GMG-3W2Q-65F4 OpenTelemetry eBPF Instrumentation: Privileged Java agent injection allows arbitrary host file overwrite via untrusted TMPDIR

Summary A flaw in the Java agent injection path allows a local attacker controlling a Java workload to overwrite arbitrary host files when Java injection is enabled and OBI is running with elevated privileges. The injector trusted TMPDIR from the target process and used unsafe file creation...

Symlink Attack

Overview Affected versions of this package are vulnerable to Symlink Attack via the findTempDir and copyAgent processes. An attacker can overwrite arbitrary files on the host system by controlling the TMPDIR environment variable in a Java process and leveraging symlink manipulation. This is only...

Meridian: Multiple defense-in-depth gaps (collection/depth caps, telemetry, retry, fan-out)

Summary Meridian v2.1.0 Meridian.Mapping and Meridian.Mediator shipped with nine defense-in-depth gaps reachable through its public APIs. Two are HIGH severity — the advertised DefaultMaxCollectionItems and DefaultMaxDepth safety caps are silently bypassed on the IMapper.Mapsource, destination...

Linux Distros Unpatched Vulnerability : CVE-2026-39883

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - OpenTelemetry-Go is the Go implementation of OpenTelemetry. From 1.15.0 to 1.42.0, the fix for CVE-2026-24051 changed the Darwin ioreg command to use an absolut...

CLEANSTART-2026-BA09462 OpenTelemetry-Go is the Go implementation of OpenTelemetry

Multiple security vulnerabilities affect the cass-operator-fips package. OpenTelemetry-Go is the Go implementation of OpenTelemetry. See references for individual vulnerability details...

Linux Distros Unpatched Vulnerability : CVE-2026-39882

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - OpenTelemetry-Go is the Go implementation of OpenTelemetry. Prior to 1.43.0, the otlp HTTP exporters traces/metrics/logs read the full HTTP response body into a...

Untrusted Search Path

Overview Affected versions of this package are vulnerable to Untrusted Search Path through the hostIDReaderBSD.read function in sdk/resource/hostid.go. An attacker can execute a malicious kenv binary by placing it earlier in $PATH and triggering host ID detection on BSD or Solaris systems when...

Untrusted Search Path

Overview Affected versions of this package are vulnerable to Untrusted Search Path through the hostIDReaderBSD.read function in sdk/resource/hostid.go. An attacker can execute a malicious kenv binary by placing it earlier in $PATH and triggering host ID detection on BSD or Solaris systems when...

Memory Allocation with Excessive Size Value

Overview Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value through the UploadTraces, UploadMetrics, and uploadLogs response-handling paths in exporters/otlp/otlptrace/otlptracehttp/client.go, exporters/otlp/otlpmetric/otlpmetrichttp/client.go, and...

Memory Allocation with Excessive Size Value

Overview Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value through the UploadTraces, UploadMetrics, and uploadLogs response-handling paths in exporters/otlp/otlptrace/otlptracehttp/client.go, exporters/otlp/otlpmetric/otlpmetrichttp/client.go, and...