{"id":"CVE-2026-26929","aliases":["BIT-airflow-2026-26929","GHSA-4m3h-wp5w-5hqh","PYSEC-2026-14"],"url":"https://o3.security/vulnerability/CVE-2026-26929","summary":"Apache Airflow: Wildcard DagVersion Listing Bypasses Per‑DAG RBAC and Leaks Metadata","details":"Apache Airflow versions 3.0.0 through 3.1.7 FastAPI DagVersion listing API does not apply per-DAG authorization filtering when the request is made with dag_id set to \"~\" (wildcard for all DAGs). As a result, version metadata of DAGs that the requester is not authorized to access is returned.\n\n\nUsers are recommended to upgrade to Apache Airflow 3.1.8 or later, which resolves this issue.","published":"2026-03-17T10:54:05.523Z","modified":"2026-08-12T03:51:47.850339533Z","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":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"apache-airflow","fixedVersion":"3.1.8"}],"fix":{"url":"https://github.com/apache/airflow/pull/61675","label":"apache/airflow#61675"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/03/17/4"},{"type":"WEB","url":"https://pypi.python.org"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26929.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/g5o6khx83jwqvdyn0mlyb0krt35cs9ss"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26929"},{"type":"FIX","url":"https://github.com/apache/airflow/pull/61675"},{"type":"PACKAGE","url":"https://github.com/apache/airflow"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2026-14.yaml"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:47.850339533Z"}}