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CVE-2026-40690

19
FAUCET Score

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.

First published: Apr 24, 2026Last modified: Apr 24, 2026

Impacted Technologies

VendorProductVersion(s)CPE
>= 0, < 3.2.1CPE match
cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*
< 3.2.1CPE matchmatch criteria
cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.35%
Probability of exploitation in next 30 days
EPSS Percentile
27.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0035 is in the 37th percentile among its peer group of 21,977 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

pippatch availablevia ghsa
Product: apache-airflowFixed in: 3.2.1rc1
apachevendor investigatingvia vendor_rss
View patch

Vendor Advisories (2)

pipGHSA-w7rc-q6cm-f5gmmedium

Apache Airflow's asset dependency graph did not restrict nodes by the viewer's DAG read permissions

Apr 24, 2026
apacheapache:www.mail-archive.com/[email protected]/msg10972.htmlLOW

CVE-2026-40690: Apache Airflow: Assets graph view bypasses DAG level access control displaying unrelated topologies and all DAGs names to unauthorized users

Apr 24, 2026

References

openwall.com / lists/oss-security/2026/04/24/4
Mailing ListThird Party Advisory
github.com / apache/airflow/pull/65273
Issue TrackingPatch
lists.apache.org / thread/bqt7y4g2cpj396b0sd20lv510ff19ndl
Mailing ListVendor Advisory