CVE-2026-41078

{"id": "CVE-2026-41078", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-41078", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-04-23T18:52:04.471326Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.2}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "open-telemetry", "product": "opentelemetry-dotnet", "versions": [{"status": "affected", "version": "<= 1.6.0-rc.1"}]}, {"vendor": "open-telemetry", "product": "OpenTelemetry.Exporter.Jaeger", "versions": [{"status": "affected", "version": "<= 1.6.0-rc.1"}]}]}], "published": "2026-04-23T19:17:28.950", "references": [{"url": "https://github.com/open-telemetry/opentelemetry-dotnet/security/advisories/GHSA-38h3-2333-qx47", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-770"}]}], "descriptions": [{"lang": "en", "value": "OpenTelemetry dotnet is a dotnet telemetry framework. In 1.6.0-rc.1 and earlier, OpenTelemetry.Exporter.Jaeger may allow sustained memory pressure when the internal pooled-list sizing grows based on a large observed span/tag set and that enlarged size is reused for subsequent allocations. Under high-cardinality or attacker-influenced telemetry input, this can increase memory consumption and potentially cause denial of service. There is no plan to fix this issue as OpenTelemetry.Exporter.Jaeger was deprecated in 2023."}, {"lang": "es", "value": "OpenTelemetry dotnet es un framework de telemetr\u00eda dotnet. En 1.6.0-rc.1 y anteriores, OpenTelemetry.Exporter.Jaeger puede permitir una presi\u00f3n de memoria sostenida cuando el tama\u00f1o interno de la lista agrupada (pooled-list) crece basado en un gran conjunto observado de span/etiqueta y ese tama\u00f1o ampliado se reutiliza para asignaciones posteriores. Bajo alta cardinalidad o entrada de telemetr\u00eda influenciada por el atacante, esto puede aumentar el consumo de memoria y potencialmente causar denegaci\u00f3n de servicio. No hay un plan para solucionar este problema ya que OpenTelemetry.Exporter.Jaeger fue desaprobado en 2023."}], "lastModified": "2026-10-26T21:10:00.170", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:opentelemetry:opentelemetry:*:*:*:*:*:.net:*:*", "vulnerable": true, "matchCriteriaId": "56927593-8DEA-46DF-99FB-150F00796ED8", "versionEndExcluding": "1.6.0"}, {"criteria": "cpe:2.3:a:opentelemetry:opentelemetry:1.6.0:alpha1:*:*:*:.net:*:*", "vulnerable": true, "matchCriteriaId": "13631A96-4D58-461F-9264-64DBD3BAF413"}, {"criteria": "cpe:2.3:a:opentelemetry:opentelemetry:1.6.0:beta1:*:*:*:.net:*:*", "vulnerable": true, "matchCriteriaId": "7D986355-87A6-4E57-9459-12F757E5773A"}, {"criteria": "cpe:2.3:a:opentelemetry:opentelemetry:1.6.0:beta2:*:*:*:.net:*:*", "vulnerable": true, "matchCriteriaId": "48A81080-CF53-4EA9-A98B-55F7016D8D72"}, {"criteria": "cpe:2.3:a:opentelemetry:opentelemetry:1.6.0:beta3:*:*:*:.net:*:*", "vulnerable": true, "matchCriteriaId": "624E213B-E94A-4A6E-AD8F-45F0007B6D5A"}, {"criteria": "cpe:2.3:a:opentelemetry:opentelemetry:1.6.0:rc1:*:*:*:.net:*:*", "vulnerable": true, "matchCriteriaId": "AD841242-43F8-4A7D-B9DC-9BFE0953C675"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}