CVE-2026-40690

What it is

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.

At a glance

Exploitability

Can be exploited over the network with a low-privilege account. Limited direct impact.

Exploit odds

0.4% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2026-04-24 13:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-11-03 07:19 UTC Last updatedMost recent change to the record

Details

Published

2026-04-24 13:16 UTC

Last modified

2026-11-03 07:19 UTC

Exploit probability

0.4% · EPSS, next 30 days

Weakness

CWE-1220

Record status

Analyzed

Affected

• Apache Airflow < 3.2.1

Attack profile CVSS 3.1 · 4.3

Attack vector

Network

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None