{"api_version":"1","generated_at":"2026-07-23T15:33:52+00:00","cve":"CVE-2023-36543","urls":{"html":"https://cve.report/CVE-2023-36543","api":"https://cve.report/api/cve/CVE-2023-36543.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-36543","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-36543"},"summary":{"title":"CVE-2023-36543","description":"Apache Airflow, versions before 2.6.3, has a vulnerability where an authenticated user can use crafted input to make the current request hang. It is recommended to upgrade to a version that is not affected","state":"PUBLIC","assigner":"security@apache.org","published_at":"2023-07-12 10:15:00","updated_at":"2023-07-31 17:47:00"},"problem_types":["CWE-1333"],"metrics":[],"references":[{"url":"https://github.com/apache/airflow/pull/32060","name":"https://github.com/apache/airflow/pull/32060","refsource":"MISC","tags":[],"title":"Use re2 for matching untrusted regex by pierrejeambrun · Pull Request #32060 · apache/airflow · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.apache.org/thread/tokfs980504ylgk3cv3hjlnrtbv4tng4","name":"https://lists.apache.org/thread/tokfs980504ylgk3cv3hjlnrtbv4tng4","refsource":"MISC","tags":[],"title":"","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-36543","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-36543","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2023","cve_id":"36543","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"apache","cpe5":"airflow","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2023-36543","ASSIGNER":"security@apache.org","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"Apache Airflow, versions before 2.6.3, has a vulnerability where an authenticated user can use crafted input to make the current request hang. It is recommended to upgrade to a version that is not affected"}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-1333 Inefficient Regular Expression Complexity","cweId":"CWE-1333"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"Apache Software Foundation","product":{"product_data":[{"product_name":"Apache Airflow","version":{"version_data":[{"version_affected":"<","version_name":"0","version_value":"2.6.3"}]}}]}}]}},"references":{"reference_data":[{"url":"https://github.com/apache/airflow/pull/32060","refsource":"MISC","name":"https://github.com/apache/airflow/pull/32060"},{"url":"https://lists.apache.org/thread/tokfs980504ylgk3cv3hjlnrtbv4tng4","refsource":"MISC","name":"https://lists.apache.org/thread/tokfs980504ylgk3cv3hjlnrtbv4tng4"}]},"generator":{"engine":"Vulnogram 0.1.0-dev"},"source":{"discovery":"EXTERNAL"},"credits":[{"lang":"en","value":"National Cyber Security VietNam (NCS VietNam)"},{"lang":"en","value":"hungtd"}]},"nvd":{"publishedDate":"2023-07-12 10:15:00","lastModifiedDate":"2023-07-31 17:47:00","problem_types":["CWE-1333"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.8,"impactScore":3.6}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*","versionEndExcluding":"2.6.3","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}