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CVE-2026-101905

Vulnerability in axios (CVE-2026-101905)

Summary

Vulnerability in axios (CVE-2026-101905). Risk of unauthorized operations or information disclosure. Exploitable via Authorization header. Mitigation: upgrade to 1.20.0 or later.

Original description

The description as published by the source.

Summary

Axios' Node HTTP adapter can act as a read-side prototype-pollution gadget for Node's sensitive createConnection request option. The adapter creates a null-prototype options object, but Node's HTTP client can copy or normalize request options into ordinary objects before connection creation. If Object.prototype.createConnection has been polluted elsewhere in the same process, Node can call the inherited function and create a socket to an attacker-controlled endpoint.

Axios does not create the prototype pollution source. The vulnerability is that axios does not set an own safe value for a sensitive transport option before handing options to Node.

Impact

Given a prior same-process prototype-pollution primitive, an attacker can redirect later axios Node HTTP requests at the socket layer while the request URL and axios config still appear to target the legitimate origin. The attacker-controlled endpoint can receive request headers and bodies, including Authorization headers, cookies, API keys, and service credentials, and can return attacker-controlled responses to the application.

This can bypass application destination validation that checks the URL before calling axios, because the URL remains legitimate while the underlying socket goes elsewhere.

Affected Functionality

Affected:

  • Node.js HTTP adapter.
  • HTTP and HTTPS request paths that rely on Node/follow-redirects option processing and do not set an own safe createConnection.
  • Processes wher…

Source: NIST National Vulnerability Database 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-2026-101905 has been found in axios.
Attackers can target a specific entry point like Authorization header over the network to misuse the product.
Risk of unauthorized operations or information disclosure.
What to do: upgrade axios to 1.20.0 or later.
If unsure, ask your IT team or search "axios CVE-2026-101905" on the vendor's site.

CVE-2026-101905 (axios) — CWE-441
Attack surface: Authorization header / createConnection / Object.prototype.createConnection / Object.prototype
Patched: 1.20.0 — 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-441) exists in axios. Attackers reach the vulnerable code path via Authorization header.

📍 Affected scope

Check the vendor advisory for the affected versions of axios. Attack surface: Authorization header / createConnection / Object.prototype.createConnection / Object.prototype.

🔥 Severity

Severity: ?. Risk of unauthorized operations or information disclosure.

🔧 How to fix

Update to 1.20.0.

🛡️ 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 'axios' . 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 'axios' . | 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 axios 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 axios to 1.20.0

    ステージング環境で 1.20.0 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

npm axios
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.20.0"}]}]

References

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