Information disclosure in Apache Airflow - CVE-2026-49487
Published: August 24, 2026
Vulnerability identifier: #VU144864
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-49487
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 masking of sensitive information in the task-instance detail and list REST API endpoints when returning deferred task trigger kwargs. A remote user can query the affected API endpoints to disclose sensitive information.
Only deferred tasks are affected, and secrets are exposed in clear text when a deferred operator passes them into its trigger kwargs.
Affected software
Apache Airflow
How to mitigate CVE-2026-49487
Install security update from vendor's website.
Apache Airflow - update to 3.3.0