CVE-2026-67587

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{"affected": [{"affectedData": [{"collectionURL": "https://pypi.python.org", "defaultStatus": "unaffected", "packageName": "apache-airflow-core", "packageURL": "pkg:pypi/apache-airflow-core", "product": "Apache Airflow", "vendor": "Apache Software Foundation", "versions": [{"lessThan": "3.3.1", "status": "affected", "version": "3.3.0", "versionType": "semver"}]}], "source": "security@apache.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*", "matchCriteriaId": "F6D5F0B2-15A2-4782-8CC5-769E57D5F2F6", "versionEndExcluding": "3.3.1", "versionStartIncluding": "3.3.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Apache Airflow's Task SDK rebuilt a `Callback` object from serialized data by re-running its constructor, which imports the module named by the stored callback path. Because `SyncCallback` is itself an Airflow class it passes the default `allowed_deserialization_classes` allow-list, so tightening that setting does not help. A Dag author \u2014 who controls a task instance's `next_kwargs` through the task execution API \u2014 can therefore cause an arbitrary module to be imported inside the scheduler process, when the scheduler's `awaiting_input` timeout sweep deserializes that value. No non-default configuration is required; the sweep runs unconditionally. Versions before 3.3.0 are not affected: the class existed, but the scheduler sweep that reaches it did not. This is a separate code path from CVE-2026-58076 and CVE-2026-67260, which cover different gadgets reaching deserialization \u2014 applying either of those fixes does not address this one. Users are advised to upgrade to apache-airflow 3.3.1 or later."}, {"lang": "es", "value": "El SDK de Tareas de Apache Airflow reconstruy\u00f3 un objeto \u2019Callback\u2019 a partir de datos serializados al volver a ejecutar su constructor, que importa el m\u00f3dulo nombrado por la ruta de callback almacenada. Debido a que \u2019SyncCallback\u2019 es en s\u00ed misma una clase de Airflow, pasa la lista de permitidos predeterminada \u2019allowed_deserialization_classes\u2019, por lo que ajustar esa configuraci\u00f3n no ayuda. Un autor de Dag - que controla los \u2019next_kwargs\u2019 de una instancia de tarea a trav\u00e9s de la API de ejecuci\u00f3n de tareas - puede, por lo tanto, hacer que se importe un m\u00f3dulo arbitrario dentro del proceso del planificador, cuyo el barrido de tiempo de espera \u2019awaiting_input\u2019 del planificador deserializa ese valor. No se requiere ninguna configuraci\u00f3n no predeterminada; el barrido se ejecuta incondicionalmente. Las versiones anteriores a la 3.3.0 no se ven afectadas: la clase exist\u00eda, pero el barrido del planificador que la alcanza no. Esta es una ruta de c\u00f3digo separada de CVE-2026-58076 y CVE-2026-67260, que cubren diferentes \u201cgadgets\u201d que alcanzan la deserializaci\u00f3n - aplicar cualquiera de esas correcciones no aborda esta. Se aconseja a los usuarios actualizar a apache-airflow 3.3.1 o posterior."}], "id": "CVE-2026-67587", "lastModified": "2026-11-03T07:20:56.713", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-67587", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-13T12:17:23.923988Z", "version": "2.0.3"}}]}, "published": "2026-08-12T16:17:15.090", "references": [{"source": "security@apache.org", "tags": ["Issue Tracking", "Patch"], "url": "https://github.com/apache/airflow/pull/70704"}, {"source": "security@apache.org", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.apache.org/thread/o00ww4n69qojvsckb464dtwd2nhzy6t0"}, {"source": "security@apache.org", "tags": ["Not Applicable"], "url": "https://www.cve.org/CVERecord?id=CVE-2026-58076"}, {"source": "security@apache.org", "tags": ["Not Applicable"], "url": "https://www.cve.org/CVERecord?id=CVE-2026-67260"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}], "source": "security@apache.org", "type": "Secondary"}]}

{}

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