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CVE-2026-46492
high
CVSS 7.2
Vulnerability in md-fileserver (CVE-2026-46492)
Summary
vulnerability in md-fileserver (CVE-2026-46492). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `1.10.3` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-46492** has been found in md-fileserver.
Risk of unauthorized operations or information disclosure. CVSS score: 7.2/10.
What to do: upgrade md-fileserver to **1.10.3** or later.
If unsure, ask your IT team or search "md-fileserver CVE-2026-46492" on the vendor's site.
CVE-2026-46492 (md-fileserver) — CWE-80 / CVSS v3 7.2
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: `1.10.3` — 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-80) exists in md-fileserver.
📍 Affected scope
md-fileserver — .
🔥 Severity
Severity: High (CVSS 7.2/10). Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **1.10.3**.
🛡️ 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 'md-fileserver' .` 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 'md-fileserver' . | 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 `md-fileserver` 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 md-fileserver to 1.10.3ステージング環境で 1.10.3 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
npm
md-fileserver
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.10.3"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2026-46492
- package https://github.com/commenthol/md-fileserver
- web https://github.com/commenthol/md-fileserver/security/advisories/GHSA-32q2-hhr5-6qvv
- web https://github.com/advisories/GHSA-32q2-hhr5-6qvv
- web https://github.com/commenthol/md-fileserver/releases/tag/v1.10.3