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CVE-2023-32786
Vulnerability in langchain (CVE-2023-32786)
Summary
vulnerability in langchain (CVE-2023-32786). Confidential information can be exposed externally. Mitigation: upgrade to `0.0.329` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2023-32786** has been found in langchain.
Confidential information can be exposed externally. CVSS score: ?/10.
What to do: upgrade langchain to **0.0.329** or later.
If unsure, ask your IT team or search "langchain CVE-2023-32786" on the vendor's site.
CVE-2023-32786 (langchain) — CWE-74 /
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: `0.0.329` — 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.
❓ What is the problem
**A vulnerability** (CWE-74) exists in langchain.
📍 Affected scope
langchain — .
🔥 Severity
Severity: ?. Confidential information can be exposed externally
🔧 How to fix
Update to **0.0.329**.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'langchain' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
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 'langchain' . | 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 `langchain` 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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6Apply patch patch
Upgrade langchain to 0.0.329ステージング環境で 0.0.329 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
PyPI
langchain
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.0.329"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2023-32786
- advisory https://github.com/advisories/GHSA-6h8p-4hx9-w66c
- package https://github.com/langchain-ai/langchain
- package https://pypi.org/project/langchain
- web https://github.com/langchain-ai/langchain/pull/12747
- web https://gist.github.com/rharang/d265f46fc3161b31ac2e81db44d662e1
- web https://github.com/langchain-ai/langchain/releases/tag/v0.0.329