GO-2026-4985
Oversized OTLP HTTP response bodies can cause memory exhaustion in go.opentelemetry.io/otel/exporters/otlp
At a glance
- Published
- Updated
- CVE
- CVE-2026-39882
- Aliases
- GHSA-w8rr-5gcm-pp58
Description
The OTLP HTTP exporters (traces, metrics, and logs) do not limit the size of the HTTP response body read from the collector. A malicious or misconfigured collector can send a large response body, leading to excessive memory consumption and potential process termination (OOM).
Affected packages
| Package | Versions |
|---|---|
| Go · go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp | introduced 0, fixed 0.19.0 |
| Go · go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp | introduced 0, fixed 1.43.0 |
| Go · go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp | introduced 0, fixed 1.43.0 |
References
- https://github.com/open-telemetry/opentelemetry-go/pull/8108 FIX
- https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-w8rr-5gcm-pp58 ADVISORY
- http://github.com/open-telemetry/opentelemetry-go/releases/tag/v1.43.0 WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — Go Vulnerability Database |