Information disclosure in Apache Airflow - CVE-2026-48891
Published: August 24, 2026
Vulnerability identifier: #VU144868
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-2026-48891
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to improper access control in the /ui/dependencies scheduling graph endpoint when handling requests for trigger and sensor dependency entries. A remote user can inspect dependency graph data to disclose sensitive information.
This issue affects deployments that rely on per-Dag read scoping to keep Dag identifiers private across teams.
Affected software
Apache Airflow
How to mitigate CVE-2026-48891
Install security update from vendor's website.
Apache Airflow - update to 3.3.0