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Generated remediation guidance and an executive summary. No account required.
OpenTelemetry-Go is the Go implementation of OpenTelemetry. Prior to 1.43.0, the otlp HTTP exporters (traces/metrics/logs) read the full HTTP response body into an in-memory bytes.Buffer without a size cap. This is exploitable for memory exhaustion when the configured collector endpoint is attacker-controlled (or a network attacker can mitm the exporter connection). This vulnerability is fixed in 1.43.0.
Use CWE-789, Opentelemetry vendor hub and Opentelemetry product page to widen CVE-2026-39882 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2026-29181, CVE-2023-47108 and CVE-2023-45142 for nearby disclosures in the same product family.