CVE-2026-45404

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{"affected": [{"affectedData": [{"product": "opentelemetry-go", "vendor": "open-telemetry", "versions": [{"status": "affected", "version": ">= 0.11.0, < 1.45.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenTelemetry-Go is the Go implementation of OpenTelemetry. From version 0.11.0 through 1.44.0, the OpenTracing bridge's bridgeSpan contains an unsynchronized extraBaggageItems map which can cause a panic. Because Go maps are not safe for concurrent read/write access, concurrent SetBaggageItem and correlation.MapFromContext calls on the same hooked bridgeSpan can trigger a fatal runtime error\u2014such as concurrent map read and map write or concurrent map iteration and map write\u2014terminating the process and causing denial of service. This issue is fixed in version 1.45.0."}, {"lang": "es", "value": "OpenTelemetry-Go es la implementaci\u00f3n de Go de OpenTelemetry. Desde la versi\u00f3n 0.11.0 hasta la 1.44.0, el bridgeSpan del bridge de OpenTracing contiene un mapa extraBaggageItems sin sincronizar que puede causar un panic. Debido a que los mapas de Go no son seguros para el acceso concurrente de lectura y escritura, las llamadas concurrentes a SetBaggageItem y correlation.MapFromContext en el mismo bridgeSpan enganchado pueden desencadenar un error de tiempo de ejecuci\u00f3n fatal -como lectura y escritura concurrente de mapas o iteraci\u00f3n y escritura concurrente de mapas-, terminando el proceso y causando denegaci\u00f3n de servicio. Este problema est\u00e1 solucionado en la versi\u00f3n 1.45.0."}], "id": "CVE-2026-45404", "lastModified": "2026-10-12T15:10:00.207", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-45404", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-27T14:18:31.891717Z", "version": "2.0.3"}}]}, "published": "2026-08-24T22:16:53.020", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/open-telemetry/opentelemetry-go/commit/93a693edeed0e07ce5ebd1dfe67af42d1e2055d8"}, {"source": "security-advisories@github.com", "url": "https://github.com/open-telemetry/opentelemetry-go/pull/8693"}, {"source": "security-advisories@github.com", "url": "https://github.com/open-telemetry/opentelemetry-go/releases/tag/v1.45.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-42cj-99w8-cp2p"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-42cj-99w8-cp2p"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-362"}, {"lang": "en", "value": "CWE-667"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "go.opentelemetry.io/otel/bridge/opentracing: OpenTelemetry-Go: Denial of Service via unsynchronized baggage map", "id": "2523159", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2523159"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.2", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-820", "details": ["OpenTelemetry-Go is the Go implementation of OpenTelemetry. From version 0.11.0 through 1.44.0, the OpenTracing bridge's bridgeSpan contains an unsynchronized extraBaggageItems map which can cause a panic. Because Go maps are not safe for concurrent read/write access, concurrent SetBaggageItem and correlation.MapFromContext calls on the same hooked bridgeSpan can trigger a fatal runtime error\u2014such as concurrent map read and map write or concurrent map iteration and map write\u2014terminating the process and causing denial of service. This issue is fixed in version 1.45.0.", "A flaw was found in OpenTelemetry-Go. The OpenTracing bridge's `bridgeSpan` component contains an unsynchronized map, `extraBaggageItems`, which is not safe for concurrent access. When multiple operations, such as `SetBaggageItem` and `correlation.MapFromContext`, attempt to access this map simultaneously, it can lead to a fatal runtime error. This vulnerability results in the termination of the process, causing a denial of service."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-45404", "package_state": [{"cpe": "cpe:/a:redhat:multicluster_globalhub", "fix_state": "Fix deferred", "package_name": "multicluster-globalhub/multicluster-globalhub-grafana-rhel9", "product_name": "Multicluster Global Hub"}, {"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Fix deferred", "package_name": "rhacm2/acm-grafana-rhel9", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Fix deferred", "package_name": "rhacm2/endpoint-monitoring-rhel9-operator", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Fix deferred", "package_name": "rhacm2/grafana-dashboard-loader-rhel9", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Fix deferred", "package_name": "rhacm2/metrics-collector-rhel9", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Fix deferred", "package_name": "rhacm2/multicluster-observability-rhel9-operator", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Fix deferred", "package_name": "rhacm2/rbac-query-proxy-rhel9", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Fix deferred", "package_name": "rhacm2/thanos-receive-controller-rhel9", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Fix deferred", "package_name": "rhacm2/thanos-rhel9", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/ose-thanos-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/ose-thanos-rhel9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-08-24T21:19:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-45404\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-45404\nhttps://github.com/open-telemetry/opentelemetry-go/commit/93a693edeed0e07ce5ebd1dfe67af42d1e2055d8\nhttps://github.com/open-telemetry/opentelemetry-go/pull/8693\nhttps://github.com/open-telemetry/opentelemetry-go/releases/tag/v1.45.0\nhttps://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-42cj-99w8-cp2p"], "threat_severity": "Moderate"}

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