CVE-2026-46453 (GCVE-0-2026-46453)

Vulnerability from cvelistv5 – Published: 2026-07-06 07:55 – Updated: 2026-07-06 18:44
VLAI
Title
Apache Camel: Camel-Elasticsearch-Rest-Client: Exchange header constants without the Camel prefix bypass inbound HTTP header filtering, allowing untrusted clients to override the Elasticsearch query and operation
Summary
Improper Input Validation, Authorization Bypass Through User-Controlled Key vulnerability in Apache Camel ElasticSearch Rest Client. The camel-elasticsearch-rest-client component reads several Exchange headers to control its behaviour - SEARCH_QUERY (an advanced query body), OPERATION (which Elasticsearch operation to run), INDEX_NAME, INDEX_SETTINGS and ID. The string values of these header constants, defined in ElasticSearchRestClientConstant, are plain unprefixed names ('SEARCH_QUERY', 'OPERATION', 'INDEX_NAME', 'INDEX_SETTINGS', 'ID') rather than the 'Camel'-prefixed names used by every other Camel component (for example CamelSqlQuery, CamelMongoDbCriteria, CamelCqlQuery). Camel's inbound HTTP header filter, HttpHeaderFilterStrategy, blocks only header names that begin with 'Camel' or 'camel'. Because the Elasticsearch header names do not carry that prefix, they pass through the inbound filter unchanged. When a Camel route exposes an HTTP entry point (for example platform-http) in front of an elasticsearch-rest-client producer, an untrusted HTTP client can set these headers directly on its request and override the query and operation that the route author configured: reading every document in the index (SEARCH_QUERY with a match_all query), deleting documents (OPERATION set to Delete together with ID), or exfiltrating selected fields. No credentials are required and the producer reads the headers unconditionally. This issue affects Apache Camel: from 4.3.0 before 4.14.8, from 4.15.0 before 4.18.3, from 4.19.0 before 4.21.0. Users are recommended to upgrade to version 4.21.0, which fixes the issue. If users are on the 4.14.x LTS releases stream, then they are suggested to upgrade to 4.14.8. If users are on the 4.18.x releases stream, then they are suggested to upgrade to 4.18.3. The fix renames the camel-elasticsearch-rest-client Exchange header constant string values (ID, SEARCH_QUERY, INDEX_SETTINGS, INDEX_NAME, OPERATION) to carry the Camel prefix (CamelElasticsearchId, CamelElasticsearchSearchQuery, CamelElasticsearchIndexSettings, CamelElasticsearchIndexName, CamelElasticsearchOperation) so that they are blocked by the inbound HttpHeaderFilterStrategy; the Java field names are unchanged. For deployments that cannot upgrade immediately, strip the affected headers from untrusted inbound messages before they reach the producer (for example removeHeader('SEARCH_QUERY'), removeHeader('OPERATION'), removeHeader('INDEX_NAME'), removeHeader('INDEX_SETTINGS') and removeHeader('ID') in front of the elasticsearch-rest-client endpoint), or apply a custom HeaderFilterStrategy that blocks these names.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-06 18:44 UTC
CWE
  • CWE-20 - Improper Input Validation
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
apache CNA under the mitre root
CNA scorecard B 76/100 over 1092 records in the last 180 days details
Impacted products
Vendor Product Version CPE status
Apache Software Foundation Apache Camel Affected: 4.3.0 , < 4.14.8 (semver)
Affected: 4.15.0 , < 4.18.3 (semver)
Affected: 4.19.0 , < 4.21.0 (semver)
guessed Create a notification for this product.
Show details on NVD website

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            "value": "Improper Input Validation, Authorization Bypass Through User-Controlled Key vulnerability in Apache Camel ElasticSearch Rest Client.\n\nThe camel-elasticsearch-rest-client component reads several Exchange headers to control its behaviour - SEARCH_QUERY (an advanced query body), OPERATION (which Elasticsearch operation to run), INDEX_NAME, INDEX_SETTINGS and ID. The string values of these header constants, defined in ElasticSearchRestClientConstant, are plain unprefixed names (\u0027SEARCH_QUERY\u0027, \u0027OPERATION\u0027, \u0027INDEX_NAME\u0027, \u0027INDEX_SETTINGS\u0027, \u0027ID\u0027) rather than the \u0027Camel\u0027-prefixed names used by every other Camel component (for example CamelSqlQuery, CamelMongoDbCriteria, CamelCqlQuery). Camel\u0027s inbound HTTP header filter, HttpHeaderFilterStrategy, blocks only header names that begin with \u0027Camel\u0027 or \u0027camel\u0027. Because the Elasticsearch header names do not carry that prefix, they pass through the inbound filter unchanged. When a Camel route exposes an HTTP entry point (for example platform-http) in front of an elasticsearch-rest-client producer, an untrusted HTTP client can set these headers directly on its request and override the query and operation that the route author configured: reading every document in the index (SEARCH_QUERY with a match_all query), deleting documents (OPERATION set to Delete together with ID), or exfiltrating selected fields. No credentials are required and the producer reads the headers unconditionally.\nThis issue affects Apache Camel: from 4.3.0 before 4.14.8, from 4.15.0 before 4.18.3, from 4.19.0 before 4.21.0.\n\nUsers are recommended to upgrade to version 4.21.0, which fixes the issue. If users are on the 4.14.x LTS releases stream, then they are suggested to upgrade to 4.14.8. If users are on the 4.18.x releases stream, then they are suggested to upgrade to 4.18.3. The fix renames the camel-elasticsearch-rest-client Exchange header constant string values (ID, SEARCH_QUERY, INDEX_SETTINGS, INDEX_NAME, OPERATION) to carry the Camel prefix (CamelElasticsearchId, CamelElasticsearchSearchQuery, CamelElasticsearchIndexSettings, CamelElasticsearchIndexName, CamelElasticsearchOperation) so that they are blocked by the inbound HttpHeaderFilterStrategy; the Java field names are unchanged. For deployments that cannot upgrade immediately, strip the affected headers from untrusted inbound messages before they reach the producer (for example removeHeader(\u0027SEARCH_QUERY\u0027), removeHeader(\u0027OPERATION\u0027), removeHeader(\u0027INDEX_NAME\u0027), removeHeader(\u0027INDEX_SETTINGS\u0027) and removeHeader(\u0027ID\u0027) in front of the elasticsearch-rest-client endpoint), or apply a custom HeaderFilterStrategy that blocks these names."
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            "value": "Validaci\u00f3n de entrada incorrecta, vulnerabilidad de omisi\u00f3n de autorizaci\u00f3n a trav\u00e9s de clave controlada por el usuario en Apache Camel ElasticSearch Rest Client.\n\nEl componente camel-elasticsearch-rest-client lee varias cabeceras de Exchange para controlar su comportamiento - SEARCH_QUERY (un cuerpo de consulta avanzado), OPERATION (qu\u00e9 operaci\u00f3n de Elasticsearch ejecutar), INDEX_NAME, INDEX_SETTINGS e ID. Los valores de cadena de estas constantes de cabecera, definidas en ElasticSearchRestClientConstant, son nombres simples sin prefijo (\u2019SEARCH_QUERY\u2019, \u2019OPERATION\u2019, \u2019INDEX_NAME\u2019, \u2019INDEX_SETTINGS\u2019, \u2019ID\u2019) en lugar de los nombres con prefijo \u2019Camel\u2019 utilizados por cualquier otro componente de Camel (por ejemplo, CamelSqlQuery, CamelMongoDbCriteria, CamelCqlQuery). El filtro de cabeceras HTTP de entrada de Camel, HttpHeaderFilterStrategy, bloquea solo los nombres de cabecera que comienzan con \u2019Camel\u2019 o \u2019camel\u2019. Debido a que los nombres de las cabeceras de Elasticsearch no llevan ese prefijo, pasan a trav\u00e9s del filtro de entrada sin cambios. Cuando una ruta de Camel expone un punto de entrada HTTP (por ejemplo, platform-http) delante de un productor elasticsearch-rest-client, un cliente HTTP no confiable puede establecer estas cabeceras directamente en su solicitud y anular la consulta y la operaci\u00f3n que el autor de la ruta configur\u00f3: leyendo cada documento en el \u00edndice (SEARCH_QUERY con una consulta match_all), eliminando documentos (OPERATION establecido en Delete junto con ID), o exfiltrando campos seleccionados. No se requieren credenciales y el productor lee las cabeceras incondicionalmente.\nEste problema afecta a Apache Camel: desde 4.3.0 antes de 4.14.8, desde 4.15.0 antes de 4.18.3, desde 4.19.0 antes de 4.21.0.\n\nSe recomienda a los usuarios actualizar a la versi\u00f3n 4.21.0, que corrige el problema. Si los usuarios est\u00e1n en la rama de versiones LTS 4.14.x, entonces se sugiere que actualicen a 4.14.8. Si los usuarios est\u00e1n en la rama de versiones 4.18.x, entonces se sugiere que actualicen a 4.18.3. La correcci\u00f3n renombra los valores de cadena constantes de las cabeceras de Exchange de camel-elasticsearch-rest-client (ID, SEARCH_QUERY, INDEX_SETTINGS, INDEX_NAME, OPERATION) para que lleven el prefijo Camel (CamelElasticsearchId, CamelElasticsearchSearchQuery, CamelElasticsearchIndexSettings, CamelElasticsearchIndexName, CamelElasticsearchOperation) para que sean bloqueados por el HttpHeaderFilterStrategy de entrada; los nombres de los campos Java no se modifican. Para implementaciones que no pueden actualizarse inmediatamente, elimine las cabeceras afectadas de los mensajes de entrada no confiables antes de que lleguen al productor (por ejemplo, removeHeader(\u2019SEARCH_QUERY\u2019), removeHeader(\u2019OPERATION\u2019), removeHeader(\u2019INDEX_NAME\u2019), removeHeader(\u2019INDEX_SETTINGS\u2019) y removeHeader(\u2019ID\u2019) delante del punto final elasticsearch-rest-client), o aplique una HeaderFilterStrategy personalizada que bloquee estos nombres."
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            },
            "references": [
              {
                "url": "http://www.openwall.com/lists/oss-security/2026/07/05/6"
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            ],
            "title": "CVE Program Container"
          },
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            "metrics": [
              {
                "cvssV3_1": {
                  "attackComplexity": "LOW",
                  "attackVector": "NETWORK",
                  "availabilityImpact": "NONE",
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                  "confidentialityImpact": "LOW",
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                  "privilegesRequired": "NONE",
                  "scope": "UNCHANGED",
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                  "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
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                  "content": {
                    "id": "CVE-2026-46453",
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                    "timestamp": "2026-07-06T18:44:05.942781Z",
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              "dateUpdated": "2026-07-06T18:44:36.937Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
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        ],
        "cna": {
          "affected": [
            {
              "collectionURL": "https://repo.maven.apache.org/maven2",
              "defaultStatus": "unaffected",
              "packageName": "org.apache.camel:camel-elasticsearch-rest-client",
              "product": "Apache Camel",
              "vendor": "Apache Software Foundation",
              "versions": [
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                  "version": "4.15.0",
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          "credits": [
            {
              "lang": "en",
              "type": "finder",
              "value": "Yu Bao from Paypal"
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                  "value": "\u003cp\u003eImproper Input Validation, Authorization Bypass Through User-Controlled Key vulnerability in Apache Camel ElasticSearch Rest Client.\u003c/p\u003eThe camel-elasticsearch-rest-client component reads several Exchange headers to control its behaviour - SEARCH_QUERY (an advanced query body), OPERATION (which Elasticsearch operation to run), INDEX_NAME, INDEX_SETTINGS and ID. The string values of these header constants, defined in ElasticSearchRestClientConstant, are plain unprefixed names (\u0027SEARCH_QUERY\u0027, \u0027OPERATION\u0027, \u0027INDEX_NAME\u0027, \u0027INDEX_SETTINGS\u0027, \u0027ID\u0027) rather than the \u0027Camel\u0027-prefixed names used by every other Camel component (for example CamelSqlQuery, CamelMongoDbCriteria, CamelCqlQuery). Camel\u0027s inbound HTTP header filter, HttpHeaderFilterStrategy, blocks only header names that begin with \u0027Camel\u0027 or \u0027camel\u0027. Because the Elasticsearch header names do not carry that prefix, they pass through the inbound filter unchanged. When a Camel route exposes an HTTP entry point (for example platform-http) in front of an elasticsearch-rest-client producer, an untrusted HTTP client can set these headers directly on its request and override the query and operation that the route author configured: reading every document in the index (SEARCH_QUERY with a match_all query), deleting documents (OPERATION set to Delete together with ID), or exfiltrating selected fields. No credentials are required and the producer reads the headers unconditionally.\u003cbr\u003e\u003cp\u003eThis issue affects Apache Camel: from 4.3.0 before 4.14.8, from 4.15.0 before 4.18.3, from 4.19.0 before 4.21.0.\u003c/p\u003e\u003cp\u003eUsers are recommended to upgrade to version 4.21.0, which fixes the issue. If users are on the 4.14.x LTS releases stream, then they are suggested to upgrade to 4.14.8. If users are on the 4.18.x releases stream, then they are suggested to upgrade to 4.18.3. The fix renames the camel-elasticsearch-rest-client Exchange header constant string values (ID, SEARCH_QUERY, INDEX_SETTINGS, INDEX_NAME, OPERATION) to carry the Camel prefix (CamelElasticsearchId, CamelElasticsearchSearchQuery, CamelElasticsearchIndexSettings, CamelElasticsearchIndexName, CamelElasticsearchOperation) so that they are blocked by the inbound HttpHeaderFilterStrategy; the Java field names are unchanged. For deployments that cannot upgrade immediately, strip the affected headers from untrusted inbound messages before they reach the producer (for example removeHeader(\u0027SEARCH_QUERY\u0027), removeHeader(\u0027OPERATION\u0027), removeHeader(\u0027INDEX_NAME\u0027), removeHeader(\u0027INDEX_SETTINGS\u0027) and removeHeader(\u0027ID\u0027) in front of the elasticsearch-rest-client endpoint), or apply a custom HeaderFilterStrategy that blocks these names.\u003c/p\u003e"
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              "value": "Improper Input Validation, Authorization Bypass Through User-Controlled Key vulnerability in Apache Camel ElasticSearch Rest Client.\n\nThe camel-elasticsearch-rest-client component reads several Exchange headers to control its behaviour - SEARCH_QUERY (an advanced query body), OPERATION (which Elasticsearch operation to run), INDEX_NAME, INDEX_SETTINGS and ID. The string values of these header constants, defined in ElasticSearchRestClientConstant, are plain unprefixed names (\u0027SEARCH_QUERY\u0027, \u0027OPERATION\u0027, \u0027INDEX_NAME\u0027, \u0027INDEX_SETTINGS\u0027, \u0027ID\u0027) rather than the \u0027Camel\u0027-prefixed names used by every other Camel component (for example CamelSqlQuery, CamelMongoDbCriteria, CamelCqlQuery). Camel\u0027s inbound HTTP header filter, HttpHeaderFilterStrategy, blocks only header names that begin with \u0027Camel\u0027 or \u0027camel\u0027. Because the Elasticsearch header names do not carry that prefix, they pass through the inbound filter unchanged. When a Camel route exposes an HTTP entry point (for example platform-http) in front of an elasticsearch-rest-client producer, an untrusted HTTP client can set these headers directly on its request and override the query and operation that the route author configured: reading every document in the index (SEARCH_QUERY with a match_all query), deleting documents (OPERATION set to Delete together with ID), or exfiltrating selected fields. No credentials are required and the producer reads the headers unconditionally.\nThis issue affects Apache Camel: from 4.3.0 before 4.14.8, from 4.15.0 before 4.18.3, from 4.19.0 before 4.21.0.\n\nUsers are recommended to upgrade to version 4.21.0, which fixes the issue. If users are on the 4.14.x LTS releases stream, then they are suggested to upgrade to 4.14.8. If users are on the 4.18.x releases stream, then they are suggested to upgrade to 4.18.3. The fix renames the camel-elasticsearch-rest-client Exchange header constant string values (ID, SEARCH_QUERY, INDEX_SETTINGS, INDEX_NAME, OPERATION) to carry the Camel prefix (CamelElasticsearchId, CamelElasticsearchSearchQuery, CamelElasticsearchIndexSettings, CamelElasticsearchIndexName, CamelElasticsearchOperation) so that they are blocked by the inbound HttpHeaderFilterStrategy; the Java field names are unchanged. For deployments that cannot upgrade immediately, strip the affected headers from untrusted inbound messages before they reach the producer (for example removeHeader(\u0027SEARCH_QUERY\u0027), removeHeader(\u0027OPERATION\u0027), removeHeader(\u0027INDEX_NAME\u0027), removeHeader(\u0027INDEX_SETTINGS\u0027) and removeHeader(\u0027ID\u0027) in front of the elasticsearch-rest-client endpoint), or apply a custom HeaderFilterStrategy that blocks these names."
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              "descriptions": [
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                  "cweId": "CWE-20",
                  "description": "CWE-20 Improper Input Validation",
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                  "type": "CWE"
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            },
            {
              "descriptions": [
                {
                  "cweId": "CWE-639",
                  "description": "CWE-639 Authorization Bypass Through User-Controlled Key",
                  "lang": "en",
                  "type": "CWE"
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          "providerMetadata": {
            "dateUpdated": "2026-07-06T07:55:56.230Z",
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              "tags": [
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              "url": "https://camel.apache.org/security/CVE-2026-46453.html"
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          ],
          "source": {
            "discovery": "UNKNOWN"
          },
          "title": "Apache Camel: Camel-Elasticsearch-Rest-Client: Exchange header constants without the Camel prefix bypass inbound HTTP header filtering, allowing untrusted clients to override the Elasticsearch query and operation",
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        "assignerShortName": "apache",
        "cveId": "CVE-2026-46453",
        "datePublished": "2026-07-06T07:55:56.230Z",
        "dateReserved": "2026-05-14T08:17:55.698Z",
        "dateUpdated": "2026-07-06T18:44:44.793Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
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    }
  }
}



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