# Opentelemetry-Go vulnerabilities Source: https://junglewise.ai/threats/technologies/opentelemetry-go 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-go.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 7 vulnerabilities in Opentelemetry-Go: 0 in the last 7 days and 5 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-81872, was published on 16 September 2026. Nothing in the last four weeks, down from 4 vulnerabilities in the four before. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 5 - All time: 7 (0 critical, 0 exploited in the wild) ## About Opentelemetry-Go Go client library for OpenTelemetry observability framework. ## Latest Opentelemetry-Go vulnerabilities - [CVE-2026-81872: OpenTelemetry-Go BatchingProcessor CPU exhaustion via log emission](https://junglewise.ai/threats/cve-2026-81872-opentelemetry-go-batchingprocessor-cpu-exhaustion-via-log) (medium, CVSS 4, published 16 Sep 2026) - [CVE-2026-81871: OpenTelemetry-Go OTLP log gRPC exporter TLS certificate validation bypass](https://junglewise.ai/threats/cve-2026-81871-opentelemetry-go-otlp-log-grpc-exporter-tls-certificate) (medium, CVSS 4, published 16 Sep 2026) - [CVE-2026-81869: OpenTelemetry-Go attribute truncation bypass with Unicode replacement character](https://junglewise.ai/threats/cve-2026-81869-opentelemetry-go-attribute-truncation-bypass-with-unicode) (medium, CVSS 4, published 16 Sep 2026) - [CVE-2026-81870: OpenTelemetry-Go endpoint URL logging in TracerProvider diagnostics](https://junglewise.ai/threats/cve-2026-81870-opentelemetry-go-endpoint-url-logging-in-tracerprovider) (medium, CVSS 4, published 16 Sep 2026) - [CVE-2026-45404: OpenTelemetry-Go unsynchronized baggage map race condition](https://junglewise.ai/threats/cve-2026-45404-opentelemetry-go-unsynchronized-baggage-map-race-condition) (medium, CVSS 4, published 24 Aug 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-2026-29181: 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) ## Most severe Opentelemetry-Go 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-2026-81872: OpenTelemetry-Go BatchingProcessor CPU exhaustion via log emission](https://junglewise.ai/threats/cve-2026-81872-opentelemetry-go-batchingprocessor-cpu-exhaustion-via-log) (medium, CVSS 4, published 16 Sep 2026) - [CVE-2026-81871: OpenTelemetry-Go OTLP log gRPC exporter TLS certificate validation bypass](https://junglewise.ai/threats/cve-2026-81871-opentelemetry-go-otlp-log-grpc-exporter-tls-certificate) (medium, CVSS 4, published 16 Sep 2026) - [CVE-2026-81870: OpenTelemetry-Go endpoint URL logging in TracerProvider diagnostics](https://junglewise.ai/threats/cve-2026-81870-opentelemetry-go-endpoint-url-logging-in-tracerprovider) (medium, CVSS 4, published 16 Sep 2026) - [CVE-2026-81869: OpenTelemetry-Go attribute truncation bypass with Unicode replacement character](https://junglewise.ai/threats/cve-2026-81869-opentelemetry-go-attribute-truncation-bypass-with-unicode) (medium, CVSS 4, published 16 Sep 2026) - [CVE-2026-45404: OpenTelemetry-Go unsynchronized baggage map race condition](https://junglewise.ai/threats/cve-2026-45404-opentelemetry-go-unsynchronized-baggage-map-race-condition) (medium, CVSS 4, published 24 Aug 2026) ## Vulnerabilities per week Nothing in the last four weeks, down from 4 vulnerabilities in the four before. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 1 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 4 | 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](https://junglewise.ai/threats/technologies/opentelemetry): 8 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-Go vulnerabilities", https://junglewise.ai/threats/technologies/opentelemetry-go, 13 November 2026.