{"id":"GO-2026-4985","summary":"Oversized OTLP HTTP response bodies can cause memory exhaustion in go.opentelemetry.io/otel/exporters/otlp","details":"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).","aliases":["CVE-2026-39882","GHSA-w8rr-5gcm-pp58"],"modified":"2026-05-27T14:29:10.488141783Z","published":"2026-05-26T22:48:49Z","related":["CGA-wv7h-52ff-r668"],"database_specific":{"review_status":"REVIEWED","url":"https://pkg.go.dev/vuln/GO-2026-4985"},"references":[{"type":"FIX","url":"https://github.com/open-telemetry/opentelemetry-go/pull/8108"},{"type":"ADVISORY","url":"https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-w8rr-5gcm-pp58"},{"type":"WEB","url":"http://github.com/open-telemetry/opentelemetry-go/releases/tag/v1.43.0"}],"affected":[{"package":{"name":"go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp","ecosystem":"Go","purl":"pkg:golang/go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.19.0"}]}],"ecosystem_specific":{"imports":[{"symbols":["Exporter.Export","client.UploadLogs"],"path":"go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp"}]},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-4985.json"}},{"package":{"name":"go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp","ecosystem":"Go","purl":"pkg:golang/go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.43.0"}]}],"ecosystem_specific":{"imports":[{"symbols":["Exporter.Export","client.UploadMetrics"],"path":"go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp"}]},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-4985.json"}},{"package":{"name":"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp","ecosystem":"Go","purl":"pkg:golang/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.43.0"}]}],"ecosystem_specific":{"imports":[{"symbols":["New","NewUnstarted","client.UploadTraces"],"path":"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp"}]},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-4985.json"}}],"schema_version":"1.7.5"}