CVE-2023-50943

Apache Airflow: Potential pickle deserialization vulnerability in XComs

Published Jan 24, 2024 CVSS 3.1 · 7.5 High EPSS 1.2% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-c3c6-f2ww-xfr2 Apache Airflow: pickle deserialization vulnerability in XComs
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00161}

epss

{'score': 0.0021}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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. 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.
Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
May 30, 2025, 2:16 PM
Reserved
Dec 16, 2023, 4:02 PM
Status
Modified
Published
Jan 24, 2024, 1:15 PM
Modified
Jun 17, 2026, 6:40 AM