AIKIDO-2026-679612
apache-airflow-providers-fab is vulnerable to Insufficient Session Expiration
72
High Risk
This Affects:
apache-airflow-providers-fabTL;DR
Deactivating a user account in the FAB provider does not revoke tokens that were already issued to that account. A token issued before deactivation keeps authenticating successfully after the account has been deactivated. This leaves a path for continued access through an account an administrator believed was cut off. The fix revokes a user's outstanding tokens when their account is deactivated.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and rely on deactivating a user account to immediately cut off that user's API/token access.
Background info
apache-airflow-providers-fab is vulnerable to Insufficient Session Expiration in versions 2.0.0 - 3.8.1.
How to fix this
Upgrade the apache-airflow-providers-fab library to the patch version.
Links
Other
airflow.apache.org/docs/apache-airflow-providers-fab/3.9.0/changelog.htmllists.apache.org/thread/85h9r50bmy8vgkgr5nyddryj1p5pxxy2lists.apache.org/thread/85h9r50bmy8vgkgr5nyddryj1p5pxxy2?users@airflow.apache.orgopenwall.com/lists/oss-security/2026/09/15/10
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