Is there a public exploit for CVE-2026-40690?

No public exploit for CVE-2026-40690 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-40690?

CVE-2026-40690 scores CVSS 4.3 (v3.1), rated medium. EPSS puts the chance of exploitation in the next 30 days at 0.35%.

What does CVE-2026-40690 affect?

CVE-2026-40690 affects Apache Software Foundation Apache Airflow.

4.3 Medium

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…

CVE-2026-40690

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.

Assessment

CVSS: 4.3 (v3.1)
Severity: Medium
EPSS: 0.35% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 24 April 2026
Last updated: 3 November 2026
Affected: Apache Software Foundation · Apache Airflow
Assigner: apache

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

At the source

EUVD (ENISA)

References

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