{"id":"CVE-2020-17526","details":"Incorrect Session Validation in Apache Airflow Webserver versions prior to 1.10.14 with default config allows a malicious airflow user on site A where they log in normally, to access unauthorized Airflow Webserver on Site B through the session from Site A. This does not affect users who have changed the default value for `[webserver] secret_key` config.","aliases":["BIT-airflow-2020-17526","GHSA-7mx5-x372-xh87","PYSEC-2020-22"],"modified":"2026-03-15T22:34:39.606677Z","published":"2020-12-21T17:15:12.507Z","references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/r466759f377651f0a690475d5a52564d0e786e82c08d5a5730a4f8352%40%3Cannounce.apache.org%3E"},{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/rbeeb73a6c741f2f9200d83b9c2220610da314810c4e8c9cf881d47ef%40%3Cusers.airflow.apache.org%3E"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2020/12/21/1"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/airflow","events":[{"introduced":"0"},{"fixed":"6e6a49e2bb2661e9e785ab02ae94fda72d6759d5"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"1.10.14"}]}}],"versions":["constraints-1.10.1","constraints-1.10.10","constraints-1.10.11","constraints-1.10.12","constraints-1.10.13","constraints-1.10.2","constraints-1.10.3","constraints-1.10.4","constraints-1.10.5","constraints-1.10.6","constraints-1.10.7","constraints-1.10.8","constraints-1.10.9"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-17526.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N"}]}