{"id":"CVE-2023-42781","aliases":["BIT-airflow-2023-42781","GHSA-r7x6-xfcm-3mxv","PYSEC-2023-231"],"url":"https://o3.security/vulnerability/CVE-2023-42781","summary":"Apache Airflow: Permission verification bypass allows viewing dagruns of other dags","details":"Apache Airflow, versions before 2.7.3, has a vulnerability that allows an authorized user who has access to read specific DAGs only, to read information about task instances in other DAGs.  This is a different issue than CVE-2023-42663 but leading to similar outcome.\nUsers of Apache Airflow are advised to upgrade to version 2.7.3 or newer to mitigate the risk associated with this vulnerability.","published":"2023-11-12T13:14:09.700Z","modified":"2026-08-12T03:51:37.289656270Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"epss":{"score":0.01657,"percentile":0.74409,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"apache-airflow","fixedVersion":"2.7.3"}],"fix":{"url":"https://github.com/apache/airflow/pull/34939","label":"apache/airflow#34939"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2023/11/12/2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/42xxx/CVE-2023-42781.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/7dnl8nszdxqyns57f3dw0sloy5dfl9o1"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-42781"},{"type":"FIX","url":"https://github.com/apache/airflow/pull/34939"},{"type":"WEB","url":"https://github.com/apache/airflow/commit/33ec72948f74f56f2adb5e2d388e60e88e8a3fa3"},{"type":"PACKAGE","url":"https://github.com/apache/airflow"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2023-231.yaml"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:37.289656270Z"}}