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CVE-2026-55500
Information Disclosure in 9router (CVE-2026-55500)
Summary
vulnerability in 9router (CVE-2026-55500). Risk of unauthorized operations or information disclosure. Exploitable via ``ALWAYS_PROTECTED``.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-55500** has been found in 9router.
Attackers can target a specific entry point like ``ALWAYS_PROTECTED`` over the network to misuse the product.
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 "9router CVE-2026-55500" on the vendor's site.
CVE-2026-55500 (9router) — CWE-200 /
Attack surface: `ALWAYS_PROTECTED` / `dashboardGuard.js` / `key` / `apiKeys`
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
**information disclosure** (CWE-200) exists in 9router. Attackers reach the vulnerable code path via ``ALWAYS_PROTECTED`` without authentication.
📍 Affected scope
9router — . Attack surface: `ALWAYS_PROTECTED` / `dashboardGuard.js` / `key` / `apiKeys`.
🔥 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 '9router' .` 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 '9router' . | 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 `9router` 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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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
9router
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]