32 results
5.8Medium
CVE-2026-104872

Multiple @opentelemetry/instrumentation-* packages expose database username via unconditional db.user span attribute

open-telemetry opentelemetry-js-contrib; @opentelemetry instrumentation-cassandra-driver; @opentelemetry instrumentation-knex; @opentelemetry instrumentation-mongoose

OpenTelemetry JavaScript Contrib provides instrumentation libraries for collecting telemetry from JavaScript applications. Prior to versions 0.66.0 of @opentelemetry/instrumentation-cassandra-driver, 0.65.0 of @opentelemetry/instrumentation-knex, 0.67.0 of @o…

2.1Low
CVE-2026-45287

OpenTelemetry-Go's Schema ParseFile leaks file descriptors on each parse

open-telemetry go.opentelemetry.io/otel/schema/v1.1; open-telemetry go.opentelemetry.io/otel/schema/v1.0

OpenTelemetry-Go is the Go implementation of OpenTelemetry. Prior to version 0.0.17, `go.opentelemetry.io/otel/schema/v1.0` and `go.opentelemetry.io/otel/schema/v1.1` leaks one file descriptor on each successful `ParseFile` call. `ParseFile` opens the schema …

5.3Medium
CVE-2026-41178

OpenTelemetry-Go's baggage parsing no longer caps raw header length

open-telemetry go.opentelemetry.io/otel/baggage; open-telemetry go.opentelemetry.io/otel/propagation

OpenTelemetry-Go is the Go implementation of OpenTelemetry. Versions 1.41.0 and 1.43.0 removed raw-length rejection and it causes `Parse` to process arbitrarily large/invalid baggage headers and log errors, enabling DoS via oversized inputs. Versions 1.42.0 a…

7.5High
CVE-2026-44902

opentelemetry-js: Prometheus exporter process crash via malformed HTTP request

open-telemetry opentelemetry-js; @opentelemetry exporter-prometheus; @opentelemetry sdk-node; @opentelemetry auto-instrumentations-node

opentelemetry-js is the OpenTelemetry JavaScript Client. Prior to 0.217.0, a single malformed HTTP request crashes any Node.js process running the OpenTelemetry JS Prometheus exporter. The metrics endpoint (default 0.0.0.0:9464) has no error handling around U…

5.9Medium
CVE-2026-42348

OpAMP client reads unbounded HTTP response bodies

open-telemetry opentelemetry-dotnet-contrib

OpenTelemetry.OpAmp.Client is the OpAMP client for OpenTelemetry .NET. Prior to 0.2.0-alpha.1, 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 t…

5.9Medium
CVE-2026-41483

Unbounded HTTP response body read in OpenTelemetry.Resources.Azure

open-telemetry opentelemetry-dotnet-contrib

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…

5.9Medium
CVE-2026-41078

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

open-telemetry opentelemetry-dotnet; open-telemetry OpenTelemetry.Exporter.Jaeger

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 reus…