# Opentelemetry vulnerabilities Source: https://junglewise.ai/threats/technologies/opentelemetry Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/opentelemetry.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 8 vulnerabilities in Opentelemetry: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-41078, was published on 23 April 2026. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 0 - All time: 8 (0 critical, 0 exploited in the wild) ## About Opentelemetry An open-source observability framework for generating, collecting, and exporting telemetry data such as traces, metrics, and logs. ## Latest Opentelemetry vulnerabilities - [CVE-2026-41078: OpenTelemetry .NET has potential memory exhaustion via unbounded pooled-list sizing in Jaeger exporter conversion path](https://junglewise.ai/threats/cve-2026-41078-opentelemetry-net-has-potential-memory-exhaustion-via-unbounded) (medium, CVSS 5.9, published 23 Apr 2026) - [CVE-2026-40894: OpenTelemetry dotnet: Excessive memory allocation when parsing OpenTelemetry propagation headers](https://junglewise.ai/threats/cve-2026-40894-opentelemetry-dotnet-excessive-memory-allocation-when-parsing) (medium, CVSS 5.3, published 23 Apr 2026) - [CVE-2026-40891: OpenTelemetry dotnet: Unbounded `grpc-status-details-bin` parsing in OTLP/gRPC retry handling](https://junglewise.ai/threats/cve-2026-40891-opentelemetry-dotnet-unbounded-grpc-status-details-bin-parsing-in) (medium, CVSS 5.3, published 23 Apr 2026) - [CVE-2026-40182: OpenTelemetry dotnet: OTLP exporter reads unbounded HTTP response bodies](https://junglewise.ai/threats/cve-2026-40182-opentelemetry-dotnet-otlp-exporter-reads-unbounded-http-response) (medium, CVSS 5.3, published 23 Apr 2026) - [CVE-2026-39883: OpenTelemetry OpenTelemetry-Go untrusted search path in host ID detection](https://junglewise.ai/threats/cve-2026-39883-opentelemetry-opentelemetry-go-untrusted-search-path-in-host-id) (high, CVSS 7, published 8 Apr 2026) - [CVE-2026-39882: OpenTelemetry-Go memory exhaustion in OTLP HTTP exporters](https://junglewise.ai/threats/cve-2026-39882-opentelemetry-go-memory-exhaustion-in-otlp-http-exporters) (medium, CVSS 5.3, published 8 Apr 2026) - [CVE-2026-29181: OpenTelemetry OpenTelemetry-Go resource exhaustion in baggage header extraction](https://junglewise.ai/threats/cve-2026-29181-opentelemetry-opentelemetry-go-resource-exhaustion-in-baggage) (high, CVSS 7.5, published 7 Apr 2026) - [CVE-2026-24051: OpenTelemetry Go SDK path hijacking in host_id.go on macOS](https://junglewise.ai/threats/cve-2026-24051-opentelemetry-go-sdk-path-hijacking-in-host-id-go-on-macos) (high, CVSS 7, published 2 Feb 2026) ## Most severe Opentelemetry vulnerabilities - [CVE-2026-29181: OpenTelemetry OpenTelemetry-Go resource exhaustion in baggage header extraction](https://junglewise.ai/threats/cve-2026-29181-opentelemetry-opentelemetry-go-resource-exhaustion-in-baggage) (high, CVSS 7.5, published 7 Apr 2026) - [CVE-2026-39883: OpenTelemetry OpenTelemetry-Go untrusted search path in host ID detection](https://junglewise.ai/threats/cve-2026-39883-opentelemetry-opentelemetry-go-untrusted-search-path-in-host-id) (high, CVSS 7, published 8 Apr 2026) - [CVE-2026-24051: OpenTelemetry Go SDK path hijacking in host_id.go on macOS](https://junglewise.ai/threats/cve-2026-24051-opentelemetry-go-sdk-path-hijacking-in-host-id-go-on-macos) (high, CVSS 7, published 2 Feb 2026) - [CVE-2026-41078: OpenTelemetry .NET has potential memory exhaustion via unbounded pooled-list sizing in Jaeger exporter conversion path](https://junglewise.ai/threats/cve-2026-41078-opentelemetry-net-has-potential-memory-exhaustion-via-unbounded) (medium, CVSS 5.9, published 23 Apr 2026) - [CVE-2026-40894: OpenTelemetry dotnet: Excessive memory allocation when parsing OpenTelemetry propagation headers](https://junglewise.ai/threats/cve-2026-40894-opentelemetry-dotnet-excessive-memory-allocation-when-parsing) (medium, CVSS 5.3, published 23 Apr 2026) - [CVE-2026-40182: OpenTelemetry dotnet: OTLP exporter reads unbounded HTTP response bodies](https://junglewise.ai/threats/cve-2026-40182-opentelemetry-dotnet-otlp-exporter-reads-unbounded-http-response) (medium, CVSS 5.3, published 23 Apr 2026) - [CVE-2026-40891: OpenTelemetry dotnet: Unbounded `grpc-status-details-bin` parsing in OTLP/gRPC retry handling](https://junglewise.ai/threats/cve-2026-40891-opentelemetry-dotnet-unbounded-grpc-status-details-bin-parsing-in) (medium, CVSS 5.3, published 23 Apr 2026) - [CVE-2026-39882: OpenTelemetry-Go memory exhaustion in OTLP HTTP exporters](https://junglewise.ai/threats/cve-2026-39882-opentelemetry-go-memory-exhaustion-in-otlp-http-exporters) (medium, CVSS 5.3, published 8 Apr 2026) ## Vulnerabilities per week Nothing was published in the last eight weeks. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other Opentelemetry technologies - [Opentelemetry-Ebpf-Instrumentation](https://junglewise.ai/threats/technologies/ebpf-instrumentation): 11 vulnerabilities - [Opentelemetry-Go](https://junglewise.ai/threats/technologies/opentelemetry-go): 7 vulnerabilities - [Opentelemetry Otelhttp](https://junglewise.ai/threats/technologies/otelhttp): 6 vulnerabilities - [OpenTelemetry Go SDK](https://junglewise.ai/threats/technologies/go-sdk): 5 vulnerabilities - [Opentelemetry Java Instrumentation](https://junglewise.ai/threats/technologies/java-instrumentation): 3 vulnerabilities - [Opentelemetry-Javaagent](https://junglewise.ai/threats/technologies/opentelemetry-javaagent): 3 vulnerabilities - [Opentelemetry-Api](https://junglewise.ai/threats/technologies/opentelemetry-opentelemetry-api): 3 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Opentelemetry vulnerabilities", https://junglewise.ai/threats/technologies/opentelemetry, 13 November 2026.