Vulnerability in apache-airflow (CVE-2026-40690)
Summary
Vulnerability in apache-airflow (CVE-2026-40690). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to 3.2.1rc1 or later.
Original description
The description as published by the source.
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.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-40690 has been found in apache-airflow.
Risk of unauthorized operations or information disclosure.
What to do: upgrade apache-airflow to 3.2.1rc1 or later.
If unsure, ask your IT team or search "apache-airflow CVE-2026-40690" on the vendor's site.
CVE-2026-40690 (apache-airflow) — CWE-1220
Attack vector: remote (network-reachable) / no user interaction
Patched: 3.2.1rc1 — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-1220) exists in apache-airflow.
Check the vendor advisory for the affected versions of apache-airflow.
Severity: ?. Risk of unauthorized operations or information disclosure.
Update to 3.2.1rc1.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'apache-airflow' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
grep -r 'apache-airflow' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で
apache-airflowを grep し、稼働しているサービス・バージョンを把握する。 -
2Apply patch patch
Upgrade apache-airflow to 3.2.1rc1ステージング環境で 3.2.1rc1 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。
-
3Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Affected packages
References
- advisory nvd.nist.gov
- package github.com
- web github.com
- web github.com
- web lists.apache.org
- web openwall.com