{"cve":"CVE-2023-36543","nvd":{"published":"2023-07-12T10:15:10.157","modified":"2026-06-17T06:06:30.343","status":"Modified","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","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-1333"],"references":["https://github.com/apache/airflow/pull/32060","https://lists.apache.org/thread/tokfs980504ylgk3cv3hjlnrtbv4tng4","https://github.com/apache/airflow/pull/32060","https://lists.apache.org/thread/tokfs980504ylgk3cv3hjlnrtbv4tng4"],"products":["apache:airflow"],"source":"nvd","synced_at":"2026-10-19T21:38:35.729974749+00:00"},"epss":{"cve":"CVE-2023-36543","score":0.01568,"percentile":0.75336,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-3h4m-m55v-gx4m","url":"https://osv.dev/vulnerability/GHSA-3h4m-m55v-gx4m","summary":"Apache Airflow Improper Input Validation vulnerability","modified":"2024-11-24T05:26:59.188221Z","packages":[{"ecosystem":"PyPI","name":"apache-airflow","purl":"pkg:pypi/apache-airflow","ranges":["<2.6.3"],"fixed":["2.6.3"]}]},{"id":"PYSEC-2023-106","url":"https://osv.dev/vulnerability/PYSEC-2023-106","summary":"","modified":"2026-06-10T17:00:22.066904826Z","packages":[{"ecosystem":"PyPI","name":"apache-airflow","purl":"pkg:pypi/apache-airflow","ranges":["<2.6.3"],"fixed":["2.6.3"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}