CVE-2026-45426

Exploitation requires the attacker to already be an authenticated Airflow worker holding a valid Log-server JWT issued for at least one Dag. Apache Airflow's Log server authorized JWT tokens against Dag IDs by applying Python's str.lstrip to the requested path segment when verifying the JWT's sub...

BIT-AIRFLOW-2026-45426 Apache Airflow: Log server JWT authorization bypass via Python lstrip() character stripping allows cross-Dag log access

Exploitation requires the attacker to already be an authenticated Airflow worker holding a valid Log-server JWT issued for at least one Dag. Apache Airflow's Log server authorized JWT tokens against Dag IDs by applying Python's str.lstrip to the requested path segment when verifying the JWT's sub...

CVE-2026-41084

A bug in Apache Airflow's bulk Task Instances API PATCH/DELETE /api/v2/dags/dagid/dagRuns/dagrunid/taskInstances evaluated authorization against the dagid resolved from the URL path while operating on the dagid / dagrunid extracted from request-body entity fields. An authenticated UI/API user wit...

GHSA-MXQ5-F9C5-W4P5 Apache Airflow Vulnerable to Authorization Bypass Through User-Controlled Key

A bug in Apache Airflow's bulk Task Instances API PATCH/DELETE /api/v2/dags/dagid/dagRuns/dagrunid/taskInstances evaluated authorization against the dagid resolved from the URL path while operating on the dagid / dagrunid extracted from request-body entity fields. An authenticated UI/API user wit...

Apache Airflow has an Incorrect Authorization issue

Exploitation requires the attacker to already be an authenticated Airflow worker holding a valid Log-server JWT issued for at least one Dag. Apache Airflow's Log server authorized JWT tokens against Dag IDs by applying Python's str.lstrip to the requested path segment when verifying the JWT's sub...

GHSA-X5WM-J6WH-2834 Apache Airflow has an Incorrect Authorization issue

Exploitation requires the attacker to already be an authenticated Airflow worker holding a valid Log-server JWT issued for at least one Dag. Apache Airflow's Log server authorized JWT tokens against Dag IDs by applying Python's str.lstrip to the requested path segment when verifying the JWT's sub...

PYSEC-2026-174

Exploitation requires the attacker to already be an authenticated Airflow worker holding a valid Log-server JWT issued for at least one Dag. Apache Airflow's Log server authorized JWT tokens against Dag IDs by applying Python's str.lstrip to the requested path segment when verifying the JWT's sub...

PYSEC-0000-CVE-2026-45426

Exploitation requires the attacker to already be an authenticated Airflow worker holding a valid Log-server JWT issued for at least one Dag. Apache Airflow's Log server authorized JWT tokens against Dag IDs by applying Python's str.lstrip to the requested path segment when verifying the JWT's sub...

PYSEC-2026-174

Exploitation requires the attacker to already be an authenticated Airflow worker holding a valid Log-server JWT issued for at least one Dag. Apache Airflow's Log server authorized JWT tokens against Dag IDs by applying Python's str.lstrip to the requested path segment when verifying the JWT's sub...

CVE-2026-45426

Exploitation requires the attacker to already be an authenticated Airflow worker holding a valid Log-server JWT issued for at least one Dag. Apache Airflow's Log server authorized JWT tokens against Dag IDs by applying Python's str.lstrip to the requested path segment when verifying the JWT's sub...

PYSEC-2026-183

A bug in Apache Airflow's bulk Task Instances API PATCH/DELETE /api/v2/dags/dagid/dagRuns/dagrunid/taskInstances evaluated authorization against the dagid resolved from the URL path while operating on the dagid / dagrunid extracted from request-body entity fields. An authenticated UI/API user wit...

CVE-2026-41084

Apache Airflow contains an authorization bypass in its bulk Task Instances API (PATCH/DELETE /api/v2/dags/{dag_id}/dagRuns/{dag_run_id}/taskInstances). The vulnerability occurs because the system validates authorization based on the dag_id in the URL path but performs operations on the dag_id and...

CVE-2026-45426

Apache Airflow's Log server contains an authorization bypass vulnerability caused by the improper use of Python's str.lstrip() when verifying the sub claim of a Log-server JWT. Because str.lstrip() removes any characters from a provided set rather than a specific prefix, an authenticated worker w...

CVE-2026-45426 Apache Airflow: Log server JWT authorization bypass via Python lstrip() character stripping allows cross-Dag log access

Exploitation requires the attacker to already be an authenticated Airflow worker holding a valid Log-server JWT issued for at least one Dag. Apache Airflow's Log server authorized JWT tokens against Dag IDs by applying Python's str.lstrip to the requested path segment when verifying the JWT's sub...

CVE-2026-45426 Apache Airflow: Log server JWT authorization bypass via Python lstrip() character stripping allows cross-Dag log access

Exploitation requires the attacker to already be an authenticated Airflow worker holding a valid Log-server JWT issued for at least one Dag. Apache Airflow's Log server authorized JWT tokens against Dag IDs by applying Python's str.lstrip to the requested path segment when verifying the JWT's sub...

PT-2026-45375

Name of the Vulnerable Software and Affected Versions Apache Airflow versions prior to 3.2.2 Description The Log server authorizes JWT tokens against Dag IDs by applying the str.lstrip function to the requested path segment when verifying the sub claim. Because str.lstrip removes any character fr...