CVE-2026-44967

Description

OpenTelemetry-cpp is the C++ implementation of OpenTelemetry. Prior to release 1.27.0, the OTLP HTTP exporters (traces/metrics/logs) read the full HTTP response into an in-memory vector of bytes 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 opentelemetry-cpp release 1.27.0.

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Produits concernés

• open-telemetry opentelemetry-cpp
• Opentelemetry opentelemetry

Scores CVSS

Faiblesses (CWE)

• CWE-789

Références

• https://github.com/open-telemetry/opentelemetry-cpp/issues/3958 Issue Tracking
• https://github.com/open-telemetry/opentelemetry-cpp/pull/4078 Issue Tracking
• https://github.com/open-telemetry/opentelemetry-cpp/security/advisories/GHSA-5qhm-4rfp-qqvj Vendor Advisory
• https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-w8rr-5gcm-pp58 Not ApplicableVendor Advisory
• https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-w8rr-5gcm-pp58 Not ApplicableVendor Advisory

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories