https://seclists.org/oss-sec/2026/q3/77: CVE-2026-48891: Apache Airflow: /ui/dependencies scheduling graph leaks unadable Dag identifiers via trigger/sensor dep.source/dep.target

Published Jul 7, 2026
·
Updated

Affected Software

1 affected component
Apache Airflow<3.3.0
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Frequently Asked Questions

1

What is the severity of CVE-2026-48891?

The severity of CVE-2026-48891 is classified as low.

2

Which versions of Apache Airflow are affected by CVE-2026-48891?

CVE-2026-48891 affects Apache Airflow versions before 3.3.0.

3

What does CVE-2026-48891 exploit?

CVE-2026-48891 exploits a bug in the `/ui/dependencies` scheduling graph endpoint that leaks unreadable Dag identifiers.

4

How do I fix CVE-2026-48891?

To fix CVE-2026-48891, upgrade to Apache Airflow version 3.3.0 or later.

5

What impact does CVE-2026-48891 have on data confidentiality?

CVE-2026-48891 can lead to exposure of Dag identifiers that may compromise the confidentiality of scheduling workflows.

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