CVE-2026-75158
Last modified
CVE-2026-75158 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Apache Airflow's `/assets/events` API returned asset events for every Dag in the deployment, with no filter restricting them to the Dags the caller is authorized to read. Any authenticated user holding asset-read access could therefore enumerate asset events — including the source Dag ID, task ID, run ID and event timestamps — for Dags they have no permission to see. EPSS estimates a 0.36% chance of exploitation in the next 30 days.
Description
Apache Airflow's `/assets/events` API returned asset events for every Dag in the deployment, with no filter restricting them to the Dags the caller is authorized to read. Any authenticated user holding asset-read access could therefore enumerate asset events — including the source Dag ID, task ID, run ID and event timestamps — for Dags they have no permission to see. Because the filter was also absent from the count query, `total_entries` and pagination disclosed the existence of hidden Dags even without inspecting individual rows. Deployments are affected whenever per-Dag access control is used to separate teams or tenants; no special configuration is required. Upgrade to apache-airflow 3.3.2 or later.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Airflow | < 3.3.2 |
References
- https://github.com/apache/airflow/pull/71741Issue Tracking, Vendor Advisory
- https://lists.apache.org/thread/rx5lg86l0qkjl2s7dtmpqxjq0xplr4fyMailing List, Vendor Advisory
- https://www.openwall.com/lists/oss-security/2026/09/21/3Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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