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
Frequently Asked Questions
1
What is the severity of CVE-2026-40861?
The severity of CVE-2026-40861 is classified as low.
2
What versions of Apache Airflow are affected by CVE-2026-40861?
CVE-2026-40861 affects Apache Airflow versions before 3.2.2.
3
How do I fix CVE-2026-40861?
To fix CVE-2026-40861, upgrade Apache Airflow to version 3.2.2 or later.
4
What kind of attack does CVE-2026-40861 describe?
CVE-2026-40861 describes a read-path attack allowing access to arbitrary files via symlinks.
5
Who is primarily impacted by CVE-2026-40861?
Dag authors in Apache Airflow could be impacted by CVE-2026-40861 when creating symlinks in log directories.