CVE-2026-30911 Apache Airflow: Execution API HITL Endpoints Missing Per-Task Authorization

What is CVE-2026-30911?

CVE-2026-30911 is a high-severity missing authorization vulnerability in Apache Airflow, published on 17 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Apache Airflow versions 3.1.0 through 3.1.7 missing authorization vulnerability in the Execution API's Human-in-the-Loop (HITL) endpoints that allows any authenticated task instance to read, approve, or reject HITL workflows belonging to any other task instance.

Users are recommended to upgrade to Apache Airflow 3.1.8 or later, which resolves this issue.

Weakness: CWE-862

Which versions are affected by CVE-2026-30911?

4 open source packages ship an affected version, including apache-airflow and airflow. It affects 1 product.

Products include Apache Airflow.

How do I fix CVE-2026-30911?

Upgrade apache-airflow to 3.1.8 or later.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-30911 being exploited?

There is no known exploitation of CVE-2026-30911 in the wild and no public exploit code.

Other vulnerabilities in Apache Airflow

• CVE-2020-13927 Apache Airflow's Experimental API Authentication Bypass Exploited Critical 9.8
• CVE-2020-11978 Apache Airflow Command Injection Exploited High 8.8
• CVE-2026-33264 Apache Airflow: DAG author RCE on webserver via unrestricted import_string() in BaseSerialization.deserialize() Critical 9.8
• CVE-2023-25754 Apache Airflow: Privilege escalation using airflow logs Critical 9.8
• CVE-2023-22884 Apache Airflow, Apache Airflow MySQL Provider: Arbitrary file read via MySQL provider in Apache Airflow Critical 9.8

All Apache Airflow vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-airflow-2026-30911, ECHO-39c3-26ff-f15b, GHSA-8x34-9q3v-h7g8, MINI-75r7-jj9g-jcgv, PYSEC-2026-17.