CVE-2026-47323

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As a result, an unauthenticated attacker can inject Camel-internal headers (e.g. CamelExecCommandExecutable, CamelFileName) via HTTP requests to CXF-RS or CXF-SOAP endpoints. When a route forwards messages from these endpoints to header-driven components such as camel-exec or camel-file, the injected headers override configured values, enabling remote code execution or arbitrary file writes. This is the same pattern that was previously addressed in camel-undertow (CVE-2025-30177), the broader incoming-header filter (CVE-2025-27636 and CVE-2025-29891), and non-HTTP strategies (CVE-2026-40453).<br></span></p><p>This issue affects Apache Camel: from 3.18.0 before 4.14.6, from 4.15.0 before 4.18.2.</p><p><span style=\"background-color: rgb(255, 255, 255);\">Users are recommended to upgrade to version 4.19.0, which fixes the issue. If users are on the 4.18.x LTS releases stream, then they are suggested to upgrade to 4.18.2. 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This is the same pattern that was previously addressed in camel-undertow (CVE-2025-30177), the broader incoming-header filter (CVE-2025-27636 and CVE-2025-29891), and non-HTTP strategies (CVE-2026-40453).\n\n\nThis issue affects Apache Camel: from 3.18.0 before 4.14.6, from 4.15.0 before 4.18.2.\n\nUsers are recommended to upgrade to version 4.19.0, which fixes the issue. If users are on the 4.18.x LTS releases stream, then they are suggested to upgrade to 4.18.2. 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Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:serverless:1"], "defaultStatus": "affected", "packageName": "openshift-serverless-1/kn-eventing-integrations-aws-sqs-source-rhel9", "product": "OpenShift Serverless", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:serverless:1"], "defaultStatus": "affected", "packageName": "openshift-serverless-1/kn-eventing-integrations-log-sink-rhel9", "product": "OpenShift Serverless", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:serverless:1"], "defaultStatus": "affected", "packageName": "openshift-serverless-1/kn-eventing-integrations-timer-source-rhel9", "product": "OpenShift Serverless", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:camel_quarkus:3"], "defaultStatus": "unaffected", "packageName": "camel-cxf-transport", "product": "Red Hat build of Apache Camel 4 for Quarkus 3", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:camel_spring_boot:4"], "defaultStatus": "unaffected", "packageName": "camel-cxf-rest", "product": "Red Hat build of Apache Camel for Spring Boot 4", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:camel_spring_boot:4"], "defaultStatus": "unaffected", "packageName": "camel-cxf-rest-starter", "product": "Red Hat build of Apache Camel for Spring Boot 4", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:camel_spring_boot:4"], "defaultStatus": "unaffected", "packageName": "camel-cxf-transport", "product": "Red Hat build of Apache Camel for Spring Boot 4", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:camel_spring_boot:4"], "defaultStatus": "unaffected", "packageName": "camel-cxf-transport-starter", "product": "Red Hat build of Apache Camel for Spring Boot 4", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:camel_spring_boot:4"], "defaultStatus": "unaffected", "packageName": "camel-knative-http", "product": "Red Hat build of Apache Camel for Spring Boot 4", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:jboss_fuse:7"], "defaultStatus": "unaffected", "packageName": "camel-cxf-transport", "product": "Red Hat Fuse 7", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:jboss_fuse:7"], "defaultStatus": "unaffected", "packageName": "camel-cxf-transport-starter", "product": "Red Hat Fuse 7", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:jboss_fuse:7"], "defaultStatus": "unaffected", "packageName": "camel-knative-http", "product": "Red Hat Fuse 7", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:jbosseapxp"], "defaultStatus": "unaffected", "packageName": "camel-cxf-transport", "product": "Red Hat JBoss Enterprise Application Platform Expansion Pack", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:jbosseapxp"], "defaultStatus": "unaffected", "packageName": "camel-knative-http", "product": "Red Hat JBoss Enterprise Application Platform Expansion Pack", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:jboss_enterprise_bpms_platform:7"], "defaultStatus": "unaffected", "packageName": "camel-cxf-transport", "product": "Red Hat Process Automation 7", "vendor": "Red Hat"}], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:camel:*:*:*:*:*:*:*:*", "matchCriteriaId": "25B8B88F-A725-4DCF-9B02-B78046B63294", "versionEndExcluding": "4.14.6", "versionStartIncluding": "3.18.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:camel:*:*:*:*:*:*:*:*", "matchCriteriaId": "806A2561-97E3-42A3-931D-A9040BB96CE5", "versionEndExcluding": "4.18.2", "versionStartIncluding": "4.15.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Camel-CXF and Camel-Knative Message Header Injection via Missing Inbound Filtering\n\nThe CXF and Knative HeaderFilterStrategy implementations (CxfRsHeaderFilterStrategy in camel-cxf-rest, CxfHeaderFilterStrategy in camel-cxf-transport, and KnativeHttpHeaderFilterStrategy in camel-knative-http) only filter outbound Camel-internal headers via setOutFilterStartsWith, while not configuring inbound filtering via setInFilterStartsWith. As a result, an unauthenticated attacker can inject Camel-internal headers (e.g. CamelExecCommandExecutable, CamelFileName) via HTTP requests to CXF-RS or CXF-SOAP endpoints. When a route forwards messages from these endpoints to header-driven components such as camel-exec or camel-file, the injected headers override configured values, enabling remote code execution or arbitrary file writes. This is the same pattern that was previously addressed in camel-undertow (CVE-2025-30177), the broader incoming-header filter (CVE-2025-27636 and CVE-2025-29891), and non-HTTP strategies (CVE-2026-40453).\n\n\nThis issue affects Apache Camel: from 3.18.0 before 4.14.6, from 4.15.0 before 4.18.2.\n\nUsers are recommended to upgrade to version 4.19.0, which fixes the issue. If users are on the 4.18.x LTS releases stream, then they are suggested to upgrade to 4.18.2. If users are on the 4.14.x LTS releases stream, then they are suggested to upgrade to 4.14.6."}, {"lang": "es", "value": "Inyecci\u00f3n de Cabeceras de Mensaje en Camel-CXF y Camel-Knative por Falta de Filtrado de Entrada\n\nLas implementaciones de HeaderFilterStrategy de CXF y Knative (CxfRsHeaderFilterStrategy en camel-cxf-rest, CxfHeaderFilterStrategy en camel-cxf-transport, y KnativeHttpHeaderFilterStrategy en camel-knative-http) solo filtran las cabeceras internas de Camel de salida a trav\u00e9s de setOutFilterStartsWith, sin configurar el filtrado de entrada a trav\u00e9s de setInFilterStartsWith. Como resultado, un atacante no autenticado puede inyectar cabeceras internas de Camel (por ejemplo, CamelExecCommandExecutable, CamelFileName) a trav\u00e9s de solicitudes HTTP a los puntos finales CXF-RS o CXF-SOAP. Cuando una ruta reenv\u00eda mensajes desde estos puntos finales a componentes impulsados por cabeceras, como camel-exec o camel-file, las cabeceras inyectadas anulan los valores configurados, lo que permite la ejecuci\u00f3n remota de c\u00f3digo o escrituras de archivos arbitrarias. Este es el mismo patr\u00f3n que se abord\u00f3 previamente en camel-undertow (CVE-2025-30177), el filtro de cabecera de entrada m\u00e1s amplio (CVE-2025-27636 y CVE-2025-29891), y las estrategias no HTTP (CVE-2026-40453).\n\nEste problema afecta a Apache Camel: desde 3.18.0 antes de 4.14.6, desde 4.15.0 antes de 4.18.2.\n\nSe recomienda a los usuarios actualizar a la versi\u00f3n 4.19.0, que corrige el problema. Si los usuarios est\u00e1n en la rama de versiones LTS 4.18.x, se sugiere que actualicen a 4.18.2. Si los usuarios est\u00e1n en la rama de versiones LTS 4.14.x, se sugiere que actualicen a 4.14.6."}], "id": "CVE-2026-47323", "lastModified": "2026-10-26T12:10:00.130", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-47323", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-05-19T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-05-19T14:16:48.653", "references": [{"source": "security@apache.org", "tags": ["Vendor Advisory"], "url": "https://camel.apache.org/security/CVE-2026-47323.html"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/security/cve/CVE-2026-47323"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2479869"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-47323.json"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-178"}], "source": "security@apache.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-791"}], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "type": "Secondary"}]}

{"bugzilla": {"description": "camel: camel-cxf-rest: camel-cxf-transport: camel-knative-http: camel-exec: camel-file: camel-undertow: Apache Camel: Remote Code Execution via header injection due to missing inbound filtering", "id": "2479869", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2479869"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-791", "details": ["A flaw was found in Apache Camel. An unauthenticated attacker could inject Camel-internal headers via HTTP requests to CXF-RS or CXF-SOAP endpoints due to missing inbound filtering in the `HeaderFilterStrategy` implementations. This allows the attacker to override configured values when messages are forwarded to header-driven components like camel-exec or camel-file, potentially leading to remote code execution or arbitrary file writes."], "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-2026-47323", "package_state": [{"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Affected", "package_name": "openshift-serverless-1/kn-eventing-integrations-aws-ddb-streams-source-rhel9", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Affected", "package_name": "openshift-serverless-1/kn-eventing-integrations-aws-s3-sink-rhel9", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Affected", "package_name": "openshift-serverless-1/kn-eventing-integrations-aws-s3-source-rhel9", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Affected", "package_name": "openshift-serverless-1/kn-eventing-integrations-aws-sns-sink-rhel9", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Affected", "package_name": "openshift-serverless-1/kn-eventing-integrations-aws-sqs-sink-rhel9", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Affected", "package_name": "openshift-serverless-1/kn-eventing-integrations-aws-sqs-source-rhel9", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Affected", "package_name": "openshift-serverless-1/kn-eventing-integrations-log-sink-rhel9", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Affected", "package_name": "openshift-serverless-1/kn-eventing-integrations-timer-source-rhel9", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:camel_quarkus:3", "fix_state": "Not affected", "package_name": "camel-cxf-transport", "product_name": "Red Hat build of Apache Camel 4 for Quarkus 3"}, {"cpe": "cpe:/a:redhat:camel_spring_boot:4", "fix_state": "Affected", "package_name": "camel-cxf-rest", "product_name": "Red Hat build of Apache Camel for Spring Boot 4"}, {"cpe": "cpe:/a:redhat:camel_spring_boot:4", "fix_state": "Affected", "package_name": "camel-cxf-rest-starter", "product_name": "Red Hat build of Apache Camel for Spring Boot 4"}, {"cpe": "cpe:/a:redhat:camel_spring_boot:4", "fix_state": "Affected", "package_name": "camel-cxf-transport", "product_name": "Red Hat build of Apache Camel for Spring Boot 4"}, {"cpe": "cpe:/a:redhat:camel_spring_boot:4", "fix_state": "Affected", "package_name": "camel-cxf-transport-starter", "product_name": "Red Hat build of Apache Camel for Spring Boot 4"}, {"cpe": "cpe:/a:redhat:camel_spring_boot:4", "fix_state": "Affected", "package_name": "camel-knative-http", "product_name": "Red Hat build of Apache Camel for Spring Boot 4"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Not affected", "package_name": "camel-cxf-transport", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Not affected", "package_name": "camel-cxf-transport-starter", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Not affected", "package_name": "camel-knative-http", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:jbosseapxp", "fix_state": "Affected", "package_name": "camel-cxf-transport", "product_name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"}, {"cpe": "cpe:/a:redhat:jbosseapxp", "fix_state": "Affected", "package_name": "camel-knative-http", "product_name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_bpms_platform:7", "fix_state": "Not affected", "package_name": "camel-cxf-transport", "product_name": "Red Hat Process Automation 7"}], "public_date": "2026-05-19T12:25:49Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-47323\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-47323\nhttps://camel.apache.org/security/CVE-2026-47323.html"], "statement": "This Critical flaw in Apache Camel allows an unauthenticated attacker to achieve remote code execution or arbitrary file writes. The vulnerability arises from insufficient inbound header filtering in CXF-RS, CXF-SOAP, and Knative HTTP endpoints. When these endpoints process HTTP requests containing specially crafted Camel-internal headers and forward them to header-driven components such as `camel-exec` or `camel-file`, the injected headers can override legitimate configurations, leading to severe system compromise. This impacts Red Hat build of Apache Camel, Enterprise Application Platform, OpenShift Serverless, and Red Hat JBoss Fuse deployments utilizing these affected components.", "threat_severity": "Critical"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.18.0,4.14.6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.15.0,4.18.2)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}]}, "product": "apache_camel", "vendor": "apache"}], "created": "2026-05-19T15:15:08.334503+00:00", "updated": "2026-10-25T19:45:06.848766+00:00", "vendors": ["apache", "apache$PRODUCT$apache_camel"]}