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CVE-2026-7738
Path Traversal in @puchunjie/doc-tools-mcp (CVE-2026-7738)
Summary
path traversal in @puchunjie/doc-tools-mcp (CVE-2026-7738). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-7738** has been found in @puchunjie/doc-tools-mcp.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "@puchunjie/doc-tools-mcp CVE-2026-7738" on the vendor's site.
CVE-2026-7738 (@puchunjie/doc-tools-mcp) — CWE-22 /
Attack vector: remote (network-reachable) / no user interaction
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
**Path traversal** (CWE-22) exists in @puchunjie/doc-tools-mcp.
📍 Affected scope
@puchunjie/doc-tools-mcp — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to the patched release per vendor advisory.
🛡️ 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 '@puchunjie/doc-tools-mcp' .` 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
-
1Identify exposure identify
grep -r '@puchunjie/doc-tools-mcp' . | 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 `@puchunjie/doc-tools-mcp` を grep し、稼働しているサービス・バージョンを把握する。
-
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
npm
@puchunjie/doc-tools-mcp
[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"1.0.18"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2026-7738
- package https://github.com/puchunjie/doc-tools-mcp
- web https://github.com/BruceJqs/public_exp/issues/38
- web https://github.com/puchunjie/doc-tools-mcp/issues/4
- web https://vuldb.com/submit/807642
- web https://vuldb.com/vuln/360913
- web https://vuldb.com/vuln/360913/cti
- web https://github.com/advisories/GHSA-gcmm-c94j-j47x