Apache AirflowGHSA-c3c6-f2ww-xfr2
Apache Airflow: pickle deserialization vulnerability in XComs
High7.5CVE-2023-50943 · Published Jan 24, 2024 · updated Feb 13, 2025
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.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| apache-airflow PyPI | < 2.8.1rc1 | 2.8.1rc1 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Severity from
- GitHub (reviewed advisory)
- Weakness
- CWE-502
- Also known as
- BIT-airflow-2023-50943, CVE-2023-50943, PYSEC-2024-13
- nvd.nist.gov/vuln/detail/CVE-2023-50943
- github.com/apache/airflow/pull/36255
- github.com/apache/airflow/commit/2c4c5bc604e9ab0cc1e98f7bee7d31d566579462
- github.com/apache/airflow
- github.com/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2024-13.yaml
- lists.apache.org/thread/fx278v0twqzxkcts70tc04cp3f8p56pn
- www.openwall.com/lists/oss-security/2024/01/24/4
More Apache Airflow advisories
All Apache Airflow| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Jan 242024 | Apache Airflow: cleartext storage Medium6.5Jan 24, 2024 | Medium6.5 | 2.6.1 |
| Jan 242024 | Apache Airflow: Bypass permission verification to read code of other dagsHigh6.5Jan 24, 2024 | High6.5 | 2.8.1rc1 |
| Dec 212023 | Apache Airflow Improper Access Control vulnerabilityMedium6.5Dec 21, 2023 | Medium6.5 | 2.8.0 |
| Dec 212023 | Apache Airflow Cross-Site Request Forgery vulnerabilityMedium6.5Dec 21, 2023 | Medium6.5 | 2.8.0 |
| Dec 212023 | Apache Airflow vulnerable to Exposure of Resource to Wrong SphereMedium4.3Dec 21, 2023 | Medium4.3 | 2.8.0 |
| Dec 212023 | Apache Airflow has a stored cross-site scripting vulnerabilityMedium5.4Dec 21, 2023 | Medium5.4 | 2.8.0b1 |