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CVE-2026-48615 high CVSS 7.5

Vulnerability in node (CVE-2026-48615)

Summary

Vulnerability in node (CVE-2026-48615). Confidential information can be exposed externally. Exploitable via ERR_PROXY_TUNNEL. Mitigation: upgrade to 22.23.0, 24.17.0, 26.3.1 or later.

Original description

The description as published by the source.

A flaw in Node.js proxy tunnel error handling could expose proxy credentials in ERR_PROXY_TUNNEL error messages.

When proxy credentials are embedded in the proxy URL, they may be exposed through error handling paths and captured by logs, diagnostics, or other error consumers.

This vulnerability affects all supported release lines: Node.js 22, Node.js 24, and Node.js 26.

Source: GitHub Security Advisories (Global) NVD GitHub Advisory

Auto-generated summary

Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.

A vulnerability tracked as CVE-2026-48615 has been found in node.
Attackers can target a specific entry point like ERR_PROXY_TUNNEL over the network to misuse the product.
Confidential information can be exposed externally. CVSS score: 7.5/10.
What to do: upgrade node to 22.23.0, 24.17.0, 26.3.1 or later.
If unsure, ask your IT team or search "node CVE-2026-48615" on the vendor's site.

CVE-2026-48615 (node) — CWE-359 / CVSS v3 7.5
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Attack surface: ERR_PROXY_TUNNEL
Patched: 22.23.0, 24.17.0, 26.3.1 — 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-359) exists in node. Attackers reach the vulnerable code path via ERR_PROXY_TUNNEL without authentication.

📍 Affected scope

Check the vendor advisory for the affected versions of node. Attack surface: ERR_PROXY_TUNNEL.

🔥 Severity

Severity: High (CVSS 7.5/10). Confidential information can be exposed externally.

🔧 How to fix

Update to 22.23.0, 24.17.0, 26.3.1.

🛡️ 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 'node' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.

Response actions

Concrete steps and command examples for SOC/SRE teams to execute in order

  1. 1
    Identify exposure identify 
    grep -r 'node' . | 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 node を grep し、稼働しているサービス・バージョンを把握する。

  2. 2
    Apply patch patch 
    Upgrade node to 22.23.0, 24.17.0, 26.3.1

    ステージング環境で 22.23.0, 24.17.0, 26.3.1 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を含めること。

  3. 3
    Post-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。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。

Affected packages

Bitnami node
[{"type":"SEMVER","events":[{"introduced":"22.22.3"},{"fixed":"22.23.0"},{"introduced":"24.16.0"},{"fixed":"24.17.0"},{"introduced":"26.3.0"},{"fixed":"26.3.1"}]}]
Bitnami node-min
[{"type":"SEMVER","events":[{"introduced":"22.22.3"},{"fixed":"22.23.0"},{"introduced":"24.16.0"},{"fixed":"24.17.0"},{"introduced":"26.3.0"},{"fixed":"26.3.1"}]}]

Fix status by distribution

Fixed packages published by each distribution for this CVE

References

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