PatchTheCVECVE-2026-40690: The asset dependency graph did not restrict nodes by the viewer's DAG read permissions: a user with read acces
CVE-2026-40690 is a medium-severity flaw (CVSS 4.3) affecting airflow. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The asset dependency graph did not restrict nodes by the viewer's DAG read permissions: a user with read access to at least one DAG could browse the asset graph for any other asset in the deployment and learn the existence and names of DAGs and assets outside their authorized scope. Users are recommended to upgrade to version 3.2.1, which fixes this issue.
Why this priority
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 71%) |
| CISA exploited list | No |
| Weakness | CWE-1220 |
| Published | 2026-04-24 |
| 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-2026-40690?
airflow: upgrade to 3.2.1. Exact commands for each OS are on this page.
Is CVE-2026-40690 being exploited?
CVE-2026-40690 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-2026-40690 affect?
CVE-2026-40690 affects airflow. Severity is medium (CVSS 4.3). The asset dependency graph did not restrict nodes by the viewer's DAG read permissions: a user with read access to at least one DAG could browse the asset graph for any other asset in the deployment and learn the existence and names of DAGs
How urgent is CVE-2026-40690?
Priority 27/100. On your watchlist
Software pages
Apache Airflow vulnerabilities
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