{"cve":"CVE-2023-50943","nvd":{"published":"2024-01-24T13:15:07.953","modified":"2026-06-17T06:40:16.990","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":7.5},"cwes":["CWE-502"],"references":["http://www.openwall.com/lists/oss-security/2024/01/24/4","https://github.com/apache/airflow/pull/36255","https://lists.apache.org/thread/fx278v0twqzxkcts70tc04cp3f8p56pn","http://www.openwall.com/lists/oss-security/2024/01/24/4","https://github.com/apache/airflow/pull/36255"],"products":["apache:airflow"],"source":"nvd","synced_at":"2026-10-19T21:44:57.175229480+00:00"},"epss":{"cve":"CVE-2023-50943","score":0.0122,"percentile":0.68678,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-c3c6-f2ww-xfr2","url":"https://osv.dev/vulnerability/GHSA-c3c6-f2ww-xfr2","summary":"Apache Airflow: pickle deserialization vulnerability in XComs","modified":"2025-02-13T20:19:36.279371Z","packages":[{"ecosystem":"PyPI","name":"apache-airflow","purl":"pkg:pypi/apache-airflow","ranges":["<2.8.1rc1"],"fixed":["2.8.1rc1"]}]},{"id":"PYSEC-2024-13","url":"https://osv.dev/vulnerability/PYSEC-2024-13","summary":"","modified":"2026-06-10T17:00:31.533632708Z","packages":[{"ecosystem":"PyPI","name":"apache-airflow","purl":"pkg:pypi/apache-airflow","ranges":["<2.8.1"],"fixed":["2.8.1"]}]}],"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."]}