CVE-2023-50943

Name: CVE-2023-50943
Creator: NVD / NIST
Published: 2024-01-24T13:15:07.953+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.21%

Last modified Jun 17, 2026

CVE-2023-50943 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 1.21% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

1.21%

64.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Apache	Airflow	< 2.8.1

References

http://www.openwall.com/lists/oss-security/2024/01/24/4Mailing List
https://github.com/apache/airflow/pull/36255Third Party Advisory
https://lists.apache.org/thread/fx278v0twqzxkcts70tc04cp3f8p56pnMailing List, Vendor Advisory
http://www.openwall.com/lists/oss-security/2024/01/24/4Mailing List
https://github.com/apache/airflow/pull/36255Third Party Advisory
https://lists.apache.org/thread/fx278v0twqzxkcts70tc04cp3f8p56pnMailing List, Vendor Advisory

Timeline

Published: Jan 24, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-50943?

How severe is CVE-2023-50943?

CVE-2023-50943 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.21% probability of exploitation in the next 30 days.

How do I fix CVE-2023-50943?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-50943?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST