{"api_version":"1","generated_at":"2026-06-02T01:34:09+00:00","cve":"CVE-2026-45360","urls":{"html":"https://cve.report/CVE-2026-45360","api":"https://cve.report/api/cve/CVE-2026-45360.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-45360","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-45360"},"summary":{"title":"Apache Airflow: Arbitrary import in custom deadline-reference deserialization","description":"Apache Airflow's scheduler-side deadline-reference decoder (`SerializedCustomReference.deserialize_reference`) imported and dispatched arbitrary class paths drawn from DAG-author-controlled serialized state without an allowlist or plugin-registry gate. A DAG author whose code reaches the scheduler — the default on single-host deployments where the DAG bundle is importable from the scheduler process — could embed a custom `DeadlineReference` whose serialized form named an attacker-controlled module path, causing the scheduler to `import_string(...)` and instantiate that class with a live SQLAlchemy session attached. Affects deployments where DAG-author code is less trusted than the scheduler process. Users are advised to upgrade to `apache-airflow` 3.2.2 or later.","state":"PUBLISHED","assigner":"apache","published_at":"2026-06-01 09:16:19","updated_at":"2026-06-01 13:13:55"},"problem_types":["CWE-502","CWE-502 CWE-502: Deserialization of Untrusted Data"],"metrics":[],"references":[{"url":"http://www.openwall.com/lists/oss-security/2026/05/31/12","name":"http://www.openwall.com/lists/oss-security/2026/05/31/12","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://lists.apache.org/thread/q227dghjwgfz8xsxrf2pwpz4wk43zm83","name":"https://lists.apache.org/thread/q227dghjwgfz8xsxrf2pwpz4wk43zm83","refsource":"security@apache.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/apache/airflow/pull/66737","name":"https://github.com/apache/airflow/pull/66737","refsource":"security@apache.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-45360","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45360","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Apache Software Foundation","product":"Apache Airflow","version":"affected 3.2.2 semver","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Jarek Potiuk","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"45360","cve":"CVE-2026-45360","epss":"0.000210000","percentile":"0.060900000","score_date":"2026-06-01","updated_at":"2026-06-02 00:05:20"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2026-06-01T09:52:42.733Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"url":"http://www.openwall.com/lists/oss-security/2026/05/31/12"}],"title":"CVE Program Container"}],"cna":{"affected":[{"collectionURL":"https://pypi.python.org","defaultStatus":"unaffected","packageName":"apache-airflow","product":"Apache Airflow","vendor":"Apache Software Foundation","versions":[{"lessThan":"3.2.2","status":"affected","version":"0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"remediation developer","value":"Jarek Potiuk"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Apache Airflow's scheduler-side deadline-reference decoder (`SerializedCustomReference.deserialize_reference`) imported and dispatched arbitrary class paths drawn from DAG-author-controlled serialized state without an allowlist or plugin-registry gate. A DAG author whose code reaches the scheduler — the default on single-host deployments where the DAG bundle is importable from the scheduler process — could embed a custom `DeadlineReference` whose serialized form named an attacker-controlled module path, causing the scheduler to `import_string(...)` and instantiate that class with a live SQLAlchemy session attached. Affects deployments where DAG-author code is less trusted than the scheduler process. Users are advised to upgrade to `apache-airflow` 3.2.2 or later."}],"value":"Apache Airflow's scheduler-side deadline-reference decoder (`SerializedCustomReference.deserialize_reference`) imported and dispatched arbitrary class paths drawn from DAG-author-controlled serialized state without an allowlist or plugin-registry gate. A DAG author whose code reaches the scheduler — the default on single-host deployments where the DAG bundle is importable from the scheduler process — could embed a custom `DeadlineReference` whose serialized form named an attacker-controlled module path, causing the scheduler to `import_string(...)` and instantiate that class with a live SQLAlchemy session attached. Affects deployments where DAG-author code is less trusted than the scheduler process. Users are advised to upgrade to `apache-airflow` 3.2.2 or later."}],"metrics":[{"other":{"content":{"text":"high"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-502","description":"CWE-502: Deserialization of Untrusted Data","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-06-01T07:48:13.287Z","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","shortName":"apache"},"references":[{"tags":["patch"],"url":"https://github.com/apache/airflow/pull/66737"},{"tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/q227dghjwgfz8xsxrf2pwpz4wk43zm83"}],"source":{"discovery":"UNKNOWN"},"title":"Apache Airflow: Arbitrary import in custom deadline-reference deserialization","x_generator":{"engine":"airflow-s/generate_cve_json.py"}}},"cveMetadata":{"assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","assignerShortName":"apache","cveId":"CVE-2026-45360","datePublished":"2026-06-01T07:48:13.287Z","dateReserved":"2026-05-11T22:40:03.868Z","dateUpdated":"2026-06-01T09:52:42.733Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-01 09:16:19","lastModifiedDate":"2026-06-01 13:13:55","problem_types":["CWE-502","CWE-502 CWE-502: Deserialization of Untrusted Data"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"45360","Ordinal":"1","Title":"Apache Airflow: Arbitrary import in custom deadline-reference de","CVE":"CVE-2026-45360","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"45360","Ordinal":"1","NoteData":"Apache Airflow's scheduler-side deadline-reference decoder (`SerializedCustomReference.deserialize_reference`) imported and dispatched arbitrary class paths drawn from DAG-author-controlled serialized state without an allowlist or plugin-registry gate. A DAG author whose code reaches the scheduler — the default on single-host deployments where the DAG bundle is importable from the scheduler process — could embed a custom `DeadlineReference` whose serialized form named an attacker-controlled module path, causing the scheduler to `import_string(...)` and instantiate that class with a live SQLAlchemy session attached. Affects deployments where DAG-author code is less trusted than the scheduler process. Users are advised to upgrade to `apache-airflow` 3.2.2 or later.","Type":"Description","Title":"Apache Airflow: Arbitrary import in custom deadline-reference de"}]}}}