{"id":"CVE-2023-50943","aliases":["BIT-airflow-2023-50943","GHSA-c3c6-f2ww-xfr2","PYSEC-2024-13"],"url":"https://o3.security/vulnerability/CVE-2023-50943","summary":"Apache Airflow: Potential pickle deserialization vulnerability in XComs","details":"Apache Airflow, versions before 2.8.1, have a vulnerability that allows a potential attacker to poison the XCom data by bypassing the protection of \"enable_xcom_pickling=False\" configuration setting resulting in poisoned data after XCom deserialization. This vulnerability is considered low since it requires a DAG author to exploit it. Users are recommended to upgrade to version 2.8.1 or later, which fixes this issue.","published":"2024-01-24T12:57:07.287Z","modified":"2026-08-08T03:47:48.905522379Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"apache-airflow","fixedVersion":"2.8.1rc1"}],"fix":{"url":"https://github.com/apache/airflow/pull/36255","label":"apache/airflow#36255"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2024/01/24/4"},{"type":"WEB","url":"https://pypi.python.org"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/50xxx/CVE-2023-50943.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/fx278v0twqzxkcts70tc04cp3f8p56pn"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-50943"},{"type":"FIX","url":"https://github.com/apache/airflow/pull/36255"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-08T03:47:48.905522379Z"}}