Missing Authorization in Apache Airflow - CVE-2026-75158
Published: September 22, 2026
Vulnerability identifier: #VU151542
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-75158
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose asset events belonging to unauthorized Dags.
The vulnerability exists due to missing authorization in the /assets/events API when handling asset event requests. A remote user can send requests to disclose asset events for Dags they are not authorized to read.
The count query and pagination metadata can reveal the existence of hidden Dags.
Affected software
Apache Airflow
How to mitigate CVE-2026-75158
Install security update from vendor's website.
Apache Airflow - update to 3.3.2