CVE-2026-42360

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-42360", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-04-26T19:48:31.553Z", "datePublished": "2026-06-01T07:50:37.777Z", "dateUpdated": "2026-11-03T06:56:21.188Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-11-03T06:56:21.188Z"}, "title": "Apache Airflow: Rendered template truncation bypasses nested sensitive-key masking", "problemTypes": [{"descriptions": [{"description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor", "lang": "en", "cweId": "CWE-200", "type": "CWE"}]}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Apache Software Foundation", "product": "Apache Airflow", "collectionURL": "https://pypi.python.org", "packageName": "apache-airflow", "versions": [{"status": "affected", "version": "0", "lessThan": "3.0.0", "versionType": "semver"}], "defaultStatus": "unaffected", "packageURL": "pkg:pypi/apache-airflow"}, {"vendor": "Apache Software Foundation", "product": "Apache Airflow", "collectionURL": "https://pypi.python.org", "packageName": "apache-airflow-core", "versions": [{"status": "affected", "version": "3.0.0", "lessThan": "3.2.2", "versionType": "semver"}], "defaultStatus": "unaffected", "packageURL": "pkg:pypi/apache-airflow-core"}], "descriptions": [{"value": "A bug in Apache Airflow's rendered-template field handling caused nested sensitive-key masking (e.g. nested `password` / `token` / `secret` / `api_key` keys inside a JSON template structure) to be bypassed when the rendered field exceeded `[core] max_templated_field_length`: Airflow stringified the structure before redaction, losing the nested key context, and persisted the plaintext value into `rendered_fields`. An authenticated UI/API user with permission to read rendered template fields could harvest secret values intended to be masked. Affects deployments where Dag authors pass structured JSON to operators with nested sensitive keys. This is a variant of `CWE-200` previously addressed for the user-registered `mask_secret()` patterns in CVE-2025-68438; that fix did not cover the nested sensitive-keyword allowlist. Users who already upgraded for CVE-2025-68438 should additionally upgrade to `apache-airflow` 3.2.2 or later to cover the nested-key path.", "lang": "en", "supportingMedia": [{"type": "text/html", "base64": false, "value": "A bug in Apache Airflow's rendered-template field handling caused nested sensitive-key masking (e.g. nested `password` / `token` / `secret` / `api_key` keys inside a JSON template structure) to be bypassed when the rendered field exceeded `[core] max_templated_field_length`: Airflow stringified the structure before redaction, losing the nested key context, and persisted the plaintext value into `rendered_fields`. An authenticated UI/API user with permission to read rendered template fields could harvest secret values intended to be masked. Affects deployments where Dag authors pass structured JSON to operators with nested sensitive keys. This is a variant of `CWE-200` previously addressed for the user-registered `mask_secret()` patterns in CVE-2025-68438; that fix did not cover the nested sensitive-keyword allowlist. Users who already upgraded for CVE-2025-68438 should additionally upgrade to `apache-airflow` 3.2.2 or later to cover the nested-key path."}]}], "references": [{"url": "https://github.com/apache/airflow/pull/65906", "tags": ["patch"]}, {"url": "https://lists.apache.org/thread/obj79bpxnl7r5olz1gsn0g94y88glnl4", "tags": ["vendor-advisory"]}], "metrics": [{"other": {"type": "Textual description of severity", "content": {"text": "low"}}}], "credits": [{"lang": "en", "value": "Vincent55", "type": "finder"}, {"lang": "en", "value": "Jarek Potiuk", "type": "remediation developer"}], "x_generator": {"engine": "airflow-s/generate_cve_json.py"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-06-01T13:55:15.495937Z", "id": "CVE-2026-42360", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-01T13:55:34.712Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-42360", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-01T13:55:15.495937Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-01T13:55:30.859Z"}}], "cna": {"title": "Apache Airflow: Rendered template truncation bypasses nested sensitive-key masking", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "Vincent55"}, {"lang": "en", "type": "remediation developer", "value": "Jarek Potiuk"}], "metrics": [{"other": {"type": "Textual description of severity", "content": {"text": "low"}}}], "affected": [{"vendor": "Apache Software Foundation", "product": "Apache Airflow", "versions": [{"status": "affected", "version": "0", "lessThan": "3.0.0", "versionType": "semver"}], "packageURL": "pkg:pypi/apache-airflow", "packageName": "apache-airflow", "collectionURL": "https://pypi.python.org", "defaultStatus": "unaffected"}, {"vendor": "Apache Software Foundation", "product": "Apache Airflow", "versions": [{"status": "affected", "version": "3.0.0", "lessThan": "3.2.2", "versionType": "semver"}], "packageURL": "pkg:pypi/apache-airflow-core", "packageName": "apache-airflow-core", "collectionURL": "https://pypi.python.org", "defaultStatus": "unaffected"}], "references": [{"url": "https://github.com/apache/airflow/pull/65906", "tags": ["patch"]}, {"url": "https://lists.apache.org/thread/obj79bpxnl7r5olz1gsn0g94y88glnl4", "tags": ["vendor-advisory"]}], "x_generator": {"engine": "airflow-s/generate_cve_json.py"}, "descriptions": [{"lang": "en", "value": "A bug in Apache Airflow's rendered-template field handling caused nested sensitive-key masking (e.g. nested `password` / `token` / `secret` / `api_key` keys inside a JSON template structure) to be bypassed when the rendered field exceeded `[core] max_templated_field_length`: Airflow stringified the structure before redaction, losing the nested key context, and persisted the plaintext value into `rendered_fields`. An authenticated UI/API user with permission to read rendered template fields could harvest secret values intended to be masked. Affects deployments where Dag authors pass structured JSON to operators with nested sensitive keys. This is a variant of `CWE-200` previously addressed for the user-registered `mask_secret()` patterns in CVE-2025-68438; that fix did not cover the nested sensitive-keyword allowlist. Users who already upgraded for CVE-2025-68438 should additionally upgrade to `apache-airflow` 3.2.2 or later to cover the nested-key path.", "supportingMedia": [{"type": "text/html", "value": "A bug in Apache Airflow's rendered-template field handling caused nested sensitive-key masking (e.g. nested `password` / `token` / `secret` / `api_key` keys inside a JSON template structure) to be bypassed when the rendered field exceeded `[core] max_templated_field_length`: Airflow stringified the structure before redaction, losing the nested key context, and persisted the plaintext value into `rendered_fields`. An authenticated UI/API user with permission to read rendered template fields could harvest secret values intended to be masked. Affects deployments where Dag authors pass structured JSON to operators with nested sensitive keys. This is a variant of `CWE-200` previously addressed for the user-registered `mask_secret()` patterns in CVE-2025-68438; that fix did not cover the nested sensitive-keyword allowlist. Users who already upgraded for CVE-2025-68438 should additionally upgrade to `apache-airflow` 3.2.2 or later to cover the nested-key path.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-200", "description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-11-03T06:56:21.188Z"}}}, "cveMetadata": {"cveId": "CVE-2026-42360", "state": "PUBLISHED", "dateUpdated": "2026-11-03T06:56:21.188Z", "dateReserved": "2026-04-26T19:48:31.553Z", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "datePublished": "2026-06-01T07:50:37.777Z", "assignerShortName": "apache"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://pypi.python.org", "defaultStatus": "unaffected", "packageName": "apache-airflow", "packageURL": "pkg:pypi/apache-airflow", "product": "Apache Airflow", "vendor": "Apache Software Foundation", "versions": [{"lessThan": "3.0.0", "status": "affected", "version": "0", "versionType": "semver"}]}, {"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": "3.2.2", "status": "affected", "version": "3.0.0", "versionType": "semver"}]}], "source": "security@apache.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*", "matchCriteriaId": "0893C3AA-26A4-4682-A36C-05E719EB2943", "versionEndExcluding": "3.2.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A bug in Apache Airflow's rendered-template field handling caused nested sensitive-key masking (e.g. nested `password` / `token` / `secret` / `api_key` keys inside a JSON template structure) to be bypassed when the rendered field exceeded `[core] max_templated_field_length`: Airflow stringified the structure before redaction, losing the nested key context, and persisted the plaintext value into `rendered_fields`. An authenticated UI/API user with permission to read rendered template fields could harvest secret values intended to be masked. Affects deployments where Dag authors pass structured JSON to operators with nested sensitive keys. This is a variant of `CWE-200` previously addressed for the user-registered `mask_secret()` patterns in CVE-2025-68438; that fix did not cover the nested sensitive-keyword allowlist. Users who already upgraded for CVE-2025-68438 should additionally upgrade to `apache-airflow` 3.2.2 or later to cover the nested-key path."}, {"lang": "es", "value": "Un error en el manejo de campos de plantilla renderizados de Apache Airflow caus\u00f3 que el enmascaramiento anidado de claves sensibles (por ejemplo, claves anidadas 'password' / 'token' / 'secret' / 'api_key' dentro de una estructura de plantilla JSON) fuera eludido cuando el campo renderizado exced\u00eda '[core] max_templated_field_length': Airflow convirti\u00f3 la estructura a cadena antes de la redacci\u00f3n, perdiendo el contexto de la clave anidada, y persisti\u00f3 el valor en texto plano en 'rendered_fields'. Un usuario autenticado de UI/API con permiso para leer campos de plantilla renderizados podr\u00eda recolectar valores secretos destinados a ser enmascarados. Afecta a implementaciones donde los autores de Dag pasan JSON estructurado a operadores con claves sensibles anidadas. Esta es una variante de 'CWE-200' previamente abordado para los patrones 'mask_secret()' registrados por el usuario en CVE-2025-68438; esa correcci\u00f3n no cubri\u00f3 la lista de permitidos de palabras clave sensibles anidadas. Los usuarios que ya actualizaron para CVE-2025-68438 deber\u00edan actualizar adicionalmente a 'apache-airflow' 3.2.2 o posterior para cubrir la ruta de clave anidada."}], "id": "CVE-2026-42360", "lastModified": "2026-11-03T07:20:21.050", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-42360", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-06-01T13:55:15.495937Z", "version": "2.0.3"}}]}, "published": "2026-06-01T09:16:19.033", "references": [{"source": "security@apache.org", "tags": ["Issue Tracking", "Patch"], "url": "https://github.com/apache/airflow/pull/65906"}, {"source": "security@apache.org", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.apache.org/thread/obj79bpxnl7r5olz1gsn0g94y88glnl4"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "security@apache.org", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,3.2.2)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Apache Airflow", "source": "cna", "vendor": "Apache Software Foundation"}, "product": "airflow", "vendor": "apache"}], "created": "2026-06-01T11:15:26.813178+00:00", "updated": "2026-06-01T16:30:06.311200+00:00", "vendors": ["apache", "apache$PRODUCT$airflow"]}