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ROOT-APP-MAVEN-CVE-2026-42587
Vulnerability in io.root.io.netty:netty-codec-http (ROOT-APP-MAVEN-CVE-2026-42587)
Summary
vulnerability in io.root.io.netty:netty-codec-http (ROOT-APP-MAVEN-CVE-2026-42587). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `4.1.126.Final-root.io.10` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **ROOT-APP-MAVEN-CVE-2026-42587** has been found in io.root.io.netty:netty-codec-http.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade io.root.io.netty:netty-codec-http to **4.1.126.Final-root.io.10** or later.
If unsure, ask your IT team or search "io.root.io.netty:netty-codec-http ROOT-APP-MAVEN-CVE-2026-42587" on the vendor's site.
ROOT-APP-MAVEN-CVE-2026-42587 (io.root.io.netty:netty-codec-http) —
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: `4.1.126.Final-root.io.10` — 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** (unclassified) exists in io.root.io.netty:netty-codec-http.
📍 Affected scope
io.root.io.netty:netty-codec-http — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **4.1.126.Final-root.io.10**.
🛡️ 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 'io.root.io.netty:netty-codec-http' .` 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 'io.root.io.netty:netty-codec-http' . | 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 `io.root.io.netty:netty-codec-http` 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 io.root.io.netty:netty-codec-http to 4.1.126.Final-root.io.10ステージング環境で 4.1.126.Final-root.io.10 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
Root:Maven
io.root.io.netty:netty-codec-http
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.126.Final-root.io.10"}]}]