CVE-2026-39882

MEDIUM

5.3

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.15.3

SeveridadeMEDIUM

Vetor CVSSCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Vetor de ataqueADJACENT_NETWORK

ComplexidadeHIGH

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado4/8/2026

Ultima modificacao4/9/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

opentelemetry:opentelemetry

Fraquezas (CWE)

CWE-789

Referencias

https://github.com/open-telemetry/opentelemetry-go/pull/8108(security-advisories@github.com)

https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-w8rr-5gcm-pp58(security-advisories@github.com)

Correlacoes IOC

Sem correlacoes registradas

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