PyPI/apache-airflow CVE-2026-59242: medium 5.4, EPSS 0.53%
Apache Airflow's XCom `GET /api/v2/{...}/xcomEntries/{key}?deserialize=true` endpoint passed a string-literal payload through `BaseXCom.deserialize_value` without the `_check_forbidden_xcom_keys` guar
Action: Upgrade apache-airflow to 3.3.1 or later.
pip install apache-airflow==3.3.1Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.3.1 | - |
Fixed versions
| 3.3.1 |
Sources
- osv: PYSEC-2026-3992
- http://www.openwall.com/lists/oss-security/2026/08/12/6
- https://lists.apache.org/thread/dm0520yhh4mn7qknyoh45r2w6c5qg2mg
- https://github.com/apache/airflow/pull/69378
- https://github.com/advisories/GHSA-fcmm-42r9-mmmm
CVE-2026-59242 · published · modified · JSON