CVE-2026-30912: Apache Airflow: Exposing stack trace in case of constraint error

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-18 · updated 2026-10-26
Weakness: CWE-668

Description

In case of SQL errors, exception/stack trace of errors was exposed in API even if "api/expose_stack_traces" was set to false. That could lead to exposing additional information to potential attacker. Users are recommended to upgrade to Apache Airflow 3.2.0, which fixes the issue.

Affected products

Apache Airflow: before 3.2.0 — fixed in 3.2.0

How to fix

Upgrade to a fixed version: Apache Airflow 3.2.0. Check the vendor advisory for mitigations.

References

https://github.com/apache/airflow/pull/63028
https://lists.apache.org/thread/tp6kz1hnfb3zsrrtg19myo8x5x80w8r9
http://www.openwall.com/lists/oss-security/2026/04/17/5

Get alerted when CVE-2026-30912 or the next vulnerability affects your stack