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-2026-41483

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.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-2026-41310 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-2026-41310 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...

EUVD-2026-28222

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-2026-41310

OpenTelemetry.Exporter.Zipkin for .NET (Zipkin exporter) has an unbounded remote endpoint cache in versions up to 1.15.2, where keys derived from span attributes can grow without bound in high-cardinality scenarios, leading to memory growth and degraded availability. The issue is addressed in ver...

CVE-2026-41310

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...

PT-2026-38281

Name of the Vulnerable Software and Affected Versions azureauthextension versions 0.124.0 through 0.150.0 Description A server-side authentication bypass exists in the azureauthextension when used by an OpenTelemetry receiver with auth: azure auth. The Authenticate function fails to validate...

OpenTelemetry .NET Contrib 安全漏洞

OpenTelemetry .NET Contrib is an open-source telemetry data collection and processing library developed by OpenTelemetry - CNCF. Versions of OpenTelemetry .NET Contrib prior to 1.15.0 contain security vulnerabilities. These vulnerabilities stem from the HttpJsonPostTransport class, which allows...

OpenTelemetry 安全漏洞

OpenTelemetry is an open-source, vendor-neutral, open-source observability framework developed by OpenTelemetry. Versions of OpenTelemetry 1.15.0-beta.1 and earlier contain security vulnerabilities. These vulnerabilities stem from the AzureVmMetaDataRequestor class, which reads response bodies...

GHSA-W2JH-77FQ-7GP8 OpAMP client reads unbounded HTTP response bodies

Summary When receiving responses from the OpAMP server over HTTP, the OpAMP client allocates an unbounded buffer to read all bytes from the server, with no upper-bound on the number of bytes consumed. This could cause memory exhaustion in the consuming application if the configured OpAMP server i...

RHCOS 4 : OpenShift Container Platform 4.13.30 (RHSA-2024:0288)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2024:0288 advisory. - opentelemetry-go-contrib: DoS vulnerability in otelgrpc due to unbound cardinality metrics CVE-2023-47108 Note that Nessus has not tested f...

PT-2026-36819

Name of the Vulnerable Software and Affected Versions OpenTelemetry.Exporter.OpenTelemetryProtocol versions 1.8.0 through 1.15.2 Description The OTLP disk retry feature silently falls back to Path.GetTempPath when OTEL DOTNET EXPERIMENTAL OTLP RETRY is set to disk but OTEL DOTNET EXPERIMENTAL OTL...

GHSA-VC24-J8C5-2VW4 OpenTelemetry.Resources.Azure has an unbounded HTTP response body read

Summary OpenTelemetry.Resources.Azure reads unbounded HTTP response bodies from the Azure VM remote instance metadata service endpoint into memory. This would allow an attacker-controlled endpoint or one acting as a Man-in-the-Middle MitM to cause excessive memory allocation and possible process...

PT-2026-37116

Name of the Vulnerable Software and Affected Versions OpenTelemetry.Exporter.OneCollector versions prior to 1.15.1 Description When exporting telemetry to a back-end or collector over HTTP, the HttpJsonPostTransport class reads the entire response body into memory without an upper bound if the...

PT-2026-37115

Name of the Vulnerable Software and Affected Versions OpenTelemetry.Resources.Azure versions prior to 1.15.0-beta.2 Description The AzureVmMetaDataRequestor function makes HTTP requests to the Azure VM instance metadata service and reads the response body into memory without a size limit. An...

Security Bulletin: IBM Security QRadar Log Management AQL Plugin is vulnerable to using components with known vulnerabilities

Summary The product includes vulnerable components e.g., framework libraries that could be identified and exploited with automated tools. IBM Security QRadar Log Management AQL Plugin has addressed the applicable CVEs in an update. Vulnerability Details CVEID:CVE-2026-24051 DESCRIPTION:...

The vulnerability of adding additional tools and integration libraries for the Go language-based OpenTelemetry framework lies in the uncontrolled distribution of memory resources, which allows a malicious actor to trigger a service failure.

The vulnerability of adding additional tools and integration libraries for the Go language-based OpenTelemetry framework is related to uncontrolled memory allocation. Exploiting this vulnerability could allow a remote attacker to cause service failures...

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...