PYSEC-2026-181

A Dag author could either a create a symlink under their task's log directory pointing to an arbitrary file readable by the API server process read-path attack — e.g. /etc/passwd or airflow.cfg or b supply a taskid containing .. sequences accepted by the Task SDK's KEYREGEX write-path attack, and...

PYSEC-0000-CVE-2026-40861

A Dag author could either a create a symlink under their task's log directory pointing to an arbitrary file readable by the API server process read-path attack — e.g. /etc/passwd or airflow.cfg or b supply a taskid containing .. sequences accepted by the Task SDK's KEYREGEX write-path attack, and...

PYSEC-2026-181

A Dag author could either a create a symlink under their task's log directory pointing to an arbitrary file readable by the API server process read-path attack — e.g. /etc/passwd or airflow.cfg or b supply a taskid containing .. sequences accepted by the Task SDK's KEYREGEX write-path attack, and...

EUVD-2026-33598

A Dag author could either a create a symlink under their task's log directory pointing to an arbitrary file readable by the API server process read-path attack — e.g. /etc/passwd or airflow.cfg or b supply a taskid containing .. sequences accepted by the Task SDK's KEYREGEX write-path attack, and...

CVE-2026-40861

A Dag author could either a create a symlink under their task's log directory pointing to an arbitrary file readable by the API server process read-path attack — e.g. /etc/passwd or airflow.cfg or b supply a taskid containing .. sequences accepted by the Task SDK's KEYREGEX write-path attack, and...

CVE-2026-40861 Apache Airflow: Arbitrary File Read via Log Symlink following in FileTaskHandler

A Dag author could either a create a symlink under their task's log directory pointing to an arbitrary file readable by the API server process read-path attack — e.g. /etc/passwd or airflow.cfg or b supply a taskid containing .. sequences accepted by the Task SDK's KEYREGEX write-path attack, and...

PT-2026-45974

A Dag author could either a create a symlink under their task's log directory pointing to an arbitrary file readable by the API server process read-path attack — e.g. /etc/passwd or airflow.cfg or b supply a task id containing .. sequences accepted by the Task SDK's KEY REGEX write-path attack, a...

PT-2026-45363

Name of the Vulnerable Software and Affected Versions Apache Airflow versions prior to 3.2.2 Description A flaw in the FileTaskHandler allows a DAG author to access or modify files outside the configured base log folder when the worker log folder is shared with the API server. This can be achieve...