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CVE-2026-48795
Vulnerability in @adonisjs/bodyparser (CVE-2026-48795)
Summary
vulnerability in @adonisjs/bodyparser (CVE-2026-48795). Risk of unauthorized operations or information disclosure. Exploitable via ``FormFields``. Mitigation: upgrade to `11.0.3` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-48795** has been found in @adonisjs/bodyparser.
Attackers can target a specific entry point like ``FormFields`` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade @adonisjs/bodyparser to **11.0.3** or later.
If unsure, ask your IT team or search "@adonisjs/bodyparser CVE-2026-48795" on the vendor's site.
CVE-2026-48795 (@adonisjs/bodyparser) — CWE-1321 /
Attack surface: `FormFields` / `__proto__.polluted` / `__proto__` / `constructor.prototype`
Patched: `11.0.3` — 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-1321) exists in @adonisjs/bodyparser. Attackers reach the vulnerable code path via ``FormFields`` without authentication.
📍 Affected scope
@adonisjs/bodyparser — . Attack surface: `FormFields` / `__proto__.polluted` / `__proto__` / `constructor.prototype`.
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **11.0.3**.
🛡️ 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 '@adonisjs/bodyparser' .` 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 '@adonisjs/bodyparser' . | 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 `@adonisjs/bodyparser` 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 @adonisjs/bodyparser to 11.0.3ステージング環境で 11.0.3 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
@adonisjs/bodyparser
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"11.0.3"}]}]
References
- web https://github.com/adonisjs/core/security/advisories/GHSA-f5x2-vj4h-vg4c
- web https://github.com/adonisjs/core/security/advisories/GHSA-qcm7-3vpr-hj5h
- web https://github.com/adonisjs/bodyparser/commit/40e1c71f958cffb74f6b91bed6630dca979062ed
- web https://github.com/adonisjs/bodyparser/releases/tag/v10.1.5
- web https://github.com/adonisjs/bodyparser/releases/tag/v11.0.3
- web https://github.com/advisories/GHSA-qcm7-3vpr-hj5h