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CVE-2026-39413
medium
CVSS 4.2
Vulnerability in lightrag-hku (CVE-2026-39413)
Summary
vulnerability in lightrag-hku (CVE-2026-39413). Confidential information can be exposed externally. Exploitable via ``validate_token``. Mitigation: upgrade to `1.4.14` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-39413** has been found in lightrag-hku.
Attackers can target a specific entry point like ``validate_token`` over the network to misuse the product.
Confidential information can be exposed externally. CVSS score: 4.2/10.
What to do: upgrade lightrag-hku to **1.4.14** or later.
If unsure, ask your IT team or search "lightrag-hku CVE-2026-39413" on the vendor's site.
CVE-2026-39413 (lightrag-hku) — CWE-347 / CVSS v3 4.2
Attack vector: remote (network-reachable)
Attack surface: `validate_token`
Patched: `1.4.14` — 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-347) exists in lightrag-hku. Attackers reach the vulnerable code path via ``validate_token`` without authentication.
📍 Affected scope
lightrag-hku — . Attack surface: `validate_token`.
🔥 Severity
Severity: Medium (CVSS 4.2/10). Confidential information can be exposed externally
🔧 How to fix
Update to **1.4.14**.
🛡️ 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 'lightrag-hku' .` 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 'lightrag-hku' . | 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 `lightrag-hku` 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 lightrag-hku to 1.4.14ステージング環境で 1.4.14 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
pip
lightrag-hku
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.14"}]}]