OS Command Injection in Amazon aws-cdk-lib (CVE-2026-13760)
Summary
OS command injection in Amazon aws-cdk-lib (CVE-2026-13760). Successful exploitation can lead to full system takeover. Mitigation: upgrade to `2.260.0` or later.
AI summary snake-internal / snake-material-v2
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
grep -r 'aws-cdk-lib' . | 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 `aws-cdk-lib` を grep し、稼働しているサービス・バージョンを把握する。
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5Apply temporary workaround mitigate
Ensure that the modules listed in the nodeModules bundling option - and the version strings declared for them in your project's package.json, as well as the versions of the corresponding installed packages - come only from trusted sources, and auditパッチが適用されるまでの応急処置として、Ensure that the modules listed in the nodeModules bundling option - and the version strings declared for them in your project's package.json, as well as the versions of the corresponding installed packages - come only from trusted sources, and audit を実施。回避策の副作用 (機能低下) を確認した上で。
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6Apply patch patch
Upgrade aws-cdk-lib to 2.260.0ステージング環境で 2.260.0 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と、Step 3 で見つけた異常検知の続報チェックを含めること。
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7Post-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 Step 3 と同じログクエリでアラート再発が無いか継続監視。
Affected packages
References
- AWS https://aws.amazon.com/security/security-bulletins/rss/2026-050-aws/
- web ff89ba41-3aa1-4d27-914a-91399e9639e5
- web https://github.com/aws/aws-cdk/releases/tag/v2.260.0
- web https://github.com/aws/aws-cdk/security/advisories/GHSA-vcrf-j523-4mrf
- web https://nvd.nist.gov/vuln/detail/CVE-2026-13760
- web https://github.com/aws/aws-cdk/pull/38133
- web https://github.com/aws/aws-cdk/commit/baa9e1dff469306cc23b8f4bd232d703f98bf68a
- web https://aws.amazon.com/security/security-bulletins/2026-050-aws
- web https://github.com/advisories/GHSA-vcrf-j523-4mrf