Authorization Flaw in Apache Airflow's Execution API Affects Multiple Versions
CVE-2026-30911

8.1HIGH

Key Information:

Vendor

Apache
Status
Apache Airflow
Vendor
CVE Published:
17 March 2026

What is CVE-2026-30911?

A significant authorization vulnerability exists in the Execution API's Human-in-the-Loop (HITL) endpoints of Apache Airflow. This issue affects versions 3.1.0 through 3.1.7, allowing any authenticated task instance to gain unauthorized access to read, approve, or reject HITL workflows of other task instances. To mitigate this risk, users are strongly advised to upgrade to Apache Airflow version 3.1.8 or later, which addresses this vulnerability and enhances overall security.

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Deploy the Patch

Affected Version(s)

Apache Airflow 3.1.0 < 3.1.8

References

https://github.com/apache/airflow/pull/62886
patch
https://lists.apache.org/thread/1rs2v7fcko2otl6n9ytthcj87...
vendor-advisory

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Kai Aizen
Aritra Basu
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