https://seclists.org/oss-sec/2026/q2/739: CVE-2026-40861: Apache Airflow: Arbitrary File ad via Log Symlink following in FileTaskHandler
Published May 31, 2026
·Updated
Affected Software
1 affected component
Apache Apache Airflow<3.2.2
The severity of CVE-2026-40861 is classified as low.
CVE-2026-40861 affects Apache Airflow versions before 3.2.2.
To fix CVE-2026-40861, upgrade Apache Airflow to version 3.2.2 or later.
CVE-2026-40861 describes a read-path attack allowing access to arbitrary files via symlinks.
Dag authors in Apache Airflow could be impacted by CVE-2026-40861 when creating symlinks in log directories.