CVE-2026-44213

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{"affected": [{"affectedData": [{"product": "opentelemetry-dotnet-contrib", "vendor": "open-telemetry", "versions": [{"status": "affected", "version": "< 1.1.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The OpenTelemetry.Exporter.Instana exports telemetry to Instana backend. Prior to 1.1.0, the OpenTelemetry.Exporter.Instana NuGet package does not validate HTTPS/TLS certificates are valid when sending telemetry to a configured Instana back-end when a proxy is configured using the INSTANA_ENDPOINT_PROXY environment variable. If a network attacker can Man-in-the-Middle (MitM) the proxy connection, all OpenTelemetry telemetry data and the Instana API key are exposed to the attacker. This vulnerability is fixed in 1.1.0."}, {"lang": "es", "value": "El OpenTelemetry.Exporter.Instana exporta telemetr\u00eda al backend de Instana. Antes de 1.1.0, el paquete NuGet OpenTelemetry.Exporter.Instana no valida que los certificados HTTPS/TLS sean v\u00e1lidos al enviar telemetr\u00eda a un backend de Instana configurado cuando se configura un proxy utilizando la variable de entorno INSTANA_ENDPOINT_PROXY. Si un atacante de red puede realizar un ataque man-in-the-middle (MitM) en la conexi\u00f3n del proxy, todos los datos de telemetr\u00eda de OpenTelemetry y la clave API de Instana quedan expuestos al atacante. Esta vulnerabilidad se corrige en 1.1.0."}], "id": "CVE-2026-44213", "lastModified": "2026-07-24T11:10:00.170", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.2, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-44213", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-27T15:50:57.243988Z", "version": "2.0.3"}}]}, "published": "2026-05-26T22:16:42.443", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/open-telemetry/opentelemetry-dotnet-contrib/security/advisories/GHSA-wfr5-454p-mjc2"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/open-telemetry/opentelemetry-dotnet-contrib/security/advisories/GHSA-wfr5-454p-mjc2"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-295"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

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