CVE-2026-45680

creationtimestamp| type| source ---|---|--- 2026-05-12 14:11:52+00:00| published-proof-of-concept| https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/security/advisories/GHSA-89c6-vpcj-7vj4...

go.opentelemetry.io/otel: go.opentelemetry.io/otel/schema/v1.0: go.opentelemetry.io/otel/schema/v1.1: OpenTelemetry-Go: Denial of Service due to file descriptor leak

A flaw was found in OpenTelemetry-Go before schema package version 0.0.17. ParseFile in go.opentelemetry.io/otel/schema/v1.0 and v1.1 opens a schema file and passes it to Parse without closing it, leaking one file descriptor per successful call. Repeated parsing in a long-running process can...

go.opentelemetry.io/otel: go.opentelemetry.io/otel/schema/v1.0: go.opentelemetry.io/otel/schema/v1.1: OpenTelemetry-Go: Denial of Service due to file descriptor leak

A flaw was found in OpenTelemetry-Go before schema package version 0.0.17. ParseFile in go.opentelemetry.io/otel/schema/v1.0 and v1.1 opens a schema file and passes it to Parse without closing it, leaking one file descriptor per successful call. Repeated parsing in a long-running process can...

GHSA-PJV4-3C63-699F opentelemetry-collector-contrib's azureauthextension Authenticate method does not validate bearer tokens, allowing auth bypass via replay

Summary A server-side authentication bypass in azureauthextension allows any party who holds a single valid Azure access token for any scope the collector's configured identity can mint for to authenticate to any OpenTelemetry receiver that uses auth: azureauth. The extension's Authenticate metho...

CVE-2026-41484

The CVE concerns OpenTelemetry.Exporter.OneCollector for .NET. In versions ≤1.15.0, HttpJsonPostTransport reads the full response body on non-200 HTTP responses, enabling a potential denial-of-service via unbounded memory allocation if the back-end endpoint or an interceptor returns an arbitraril...

CVE-2026-41484 OpenTelemetry.Exporter.OneCollector vulnerable to denial of service via unbounded HTTP error response body

OpenTelemetry.Exporter.OneCollector is a .NET exporter that sends telemetry to a OneCollector back-end over HTTP. In versions 1.15.0 and earlier, when a request to the configured back-end or collector results in an unsuccessful HTTP 4xx or 5xx response, the HttpJsonPostTransport class reads the...

CVE-2026-41483 Unbounded HTTP response body read in OpenTelemetry.Resources.Azure

OpenTelemetry.Resources.Azure is the .NET resource detector for Azure environments. In versions 1.15.0-beta.1 and earlier, the AzureVmMetaDataRequestor class makes HTTP requests to the Azure VM instance metadata service and reads the response body into memory without any size limit. An attacker w...

CVE-2026-41483 Unbounded HTTP response body read in OpenTelemetry.Resources.Azure

OpenTelemetry.Resources.Azure is the .NET resource detector for Azure environments. In versions 1.15.0-beta.1 and earlier, the AzureVmMetaDataRequestor class makes HTTP requests to the Azure VM instance metadata service and reads the response body into memory without any size limit. An attacker w...

CVE-2026-41483

OpenTelemetry.Resources.Azure is the .NET resource detector for Azure environments. In versions 1.15.0-beta.1 and earlier, the AzureVmMetaDataRequestor class makes HTTP requests to the Azure VM instance metadata service and reads the response body into memory without any size limit. An attacker w...

CVE-2026-41310 OpenTelemetry .NET Zipkin exporter has unbounded remote endpoint cache leading to memory growth

OpenTelemetry.Exporter.Zipkin is the .NET Zipkin exporter for OpenTelemetry. In versions 1.15.2 and earlier, the Zipkin exporter remote endpoint cache accepts unbounded key growth derived from span attributes. In high-cardinality scenarios, a process using Zipkin export for client or producer spa...

CVE-2026-44902

creationtimestamp| type| source ---|---|--- 2026-05-06 15:40:57+00:00| published-proof-of-concept| https://github.com/open-telemetry/opentelemetry-js/security/advisories/GHSA-q7rr-3cgh-j5r3 2026-05-27 17:02:41+00:00| seen| https://bsky.app/profile/thehackerwire.bsky.social/post/3mmtye5ufzl2t...

OpenTelemetry 资源管理错误漏洞

OpenTelemetry is an open-source, vendor-neutral, open-source observability framework developed by OpenTelemetry. Versions of OpenTelemetry 1.15.2 and earlier contained a resource management vulnerability. This vulnerability stemmed from the Zipkin exporter’s remote endpoint caching unbounded key...

Memory Allocation with Excessive Size Value

Overview OpenTelemetry.OpAmp.Client is an OpAMP Client for OpenTelemetry .NET Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value through the PlainHttpTransport response handling in the OpAMP HTTP transport. An attacker can force the client to allocate...

GHSA-FW8G-CG8F-9J28 Prometheus vulnerable to stored XSS via crafted histogram bucket label values in the old web UI heatmap display

Impact In the Prometheus server's legacy web UI enabled via the command-line flag --enable-feature=old-ui, the histogram heatmap chart view does not escape le label values when inserting them into the HTML for use as axis tick mark labels. An attacker who can inject crafted metrics e.g. via a...

OpenTelemetry's disk retry default temp path enables local blob injection via OTLP Exporter

Summary The OTLP disk retry feature in OpenTelemetry.Exporter.OpenTelemetryProtocol silently fell back to Path.GetTempPath when OTELDOTNETEXPERIMENTALOTLPRETRY=disk was set but OTELDOTNETEXPERIMENTALOTLPDISKRETRYDIRECTORYPATH was not configured. The exporter stored and loaded .blob files under...

Allocation of Resources Without Limits or Throttling

Overview OpenTelemetry.Exporter.Zipkin is a Zipkin Exporter for OpenTelemetry .NET. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling due to unbounded growth of the remote endpoint cache derived from span attributes. An attacker can cause...

PT-2026-35933

Name of the Vulnerable Software and Affected Versions OpenTelemetry.Exporter.Zipkin versions prior to 1.15.3 Description The remote endpoint cache in the Zipkin exporter accepts unbounded key growth derived from span attributes. In high-cardinality scenarios—situations where there is a large numb...

CVE-2026-41433

OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard. From 0.4.0 to before 0.8.0, 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...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via DoRequestAsync. An attacker in control of a configured endpoint can cause excessive memory consumption and potentially terminate the process by supplying a large HTTP response bod...

Memory Allocation with Excessive Size Value

Overview OpenTelemetry.Exporter.OpenTelemetryProtocol is an OTLP Exporter for OpenTelemetry .NET. Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value in the grpc-status-details-bin parsing process during OTLP/gRPC retry handling. An attacker can cause...