CVE-2023-22888: Apache Airflow: Scheduler remote DoS

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-07-12 · updated 2026-06-17
Weakness: CWE-20

Description

Apache Airflow, versions before 2.6.3, is affected by a vulnerability that allows an attacker to cause a service disruption by manipulating the run_id parameter. This vulnerability is considered low since it requires an authenticated user to exploit it. It is recommended to upgrade to a version that is not affected

Affected products

Apache Airflow: before 2.6.3 — fixed in 2.6.3

How to fix

Upgrade to a fixed version: Apache Airflow 2.6.3. Check the vendor advisory for mitigations.

References

https://github.com/apache/airflow/pull/32293
https://lists.apache.org/thread/dnlht2hvm7k81k5tgjtsfmk27c76kq7z
https://github.com/apache/airflow/pull/32293
https://lists.apache.org/thread/dnlht2hvm7k81k5tgjtsfmk27c76kq7z

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