PatchTheCVECVE-2026-30898: An example of BashOperator in Airflow documentation suggested a way of passing dag_run.conf in the way that co
CVE-2026-30898 is a high-severity flaw (CVSS 8.8) affecting airflow. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An example of BashOperator in Airflow documentation suggested a way of passing dag_run.conf in the way that could cause unsanitized user input to be used to escalate privileges of UI user to allow execute code on worker. Users should review if any of their own DAGs have adopted this incorrect advice.
Why this priority
- High severity
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.8 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.8% (top 45%) |
| CISA exploited list | No |
| Weakness | CWE-77 |
| Published | 2026-04-18 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-30898?
airflow: upgrade to 3.2.0. Exact commands for each OS are on this page.
Is CVE-2026-30898 being exploited?
CVE-2026-30898 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-30898 affect?
CVE-2026-30898 affects airflow. Severity is high (CVSS 8.8). An example of BashOperator in Airflow documentation suggested a way of passing dag_run.conf in the way that could cause unsanitized user input to be used to escalate privileges of UI user to allow execute code on worker. Users should review
How urgent is CVE-2026-30898?
Priority 50/100. High severity; On your watchlist
Software pages
Apache Airflow vulnerabilities
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