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8.2 High

CVE-2026-101906 Axios is a promise-based HTTP client for the browser and Node.js

Description

Axios is a promise-based HTTP client for the browser and Node.js. From 1.15.0 until 1.20.0, Axios shouldBypassProxy applies a quadratic trailing-dot regular expression to redirect hostnames. HTTP_PROXY or HTTPS_PROXY is configured, NO_PROXY or no_proxy is non-empty, redirects are followed, and a crafted redirect Location contains many dots followed by a non-dot character. Hostname.replace(/.+$/, '') backtracks quadratically while processing the crafted redirect hostname. Synchronous regular-expression processing can block the Node.js event loop and cause denial of service. This issue is fixed in version 1.20.0.

Affected products and versions

Product Affected versions Fixed in
axios 1.15 1.15.0 → < 1.20.0 1.20.0

References

Timeline

  1. Published
  2. Last modified

Other CVEs of axios

The 53 CVEs of axios →
CVE-2026-101899 Axios is a promise-based HTTP client for the browser and Node.js 6.9 Medium CVE-2026-101909 Axios is a promise-based HTTP client for the browser and Node.js 8.3 High CVE-2026-101908 Axios is a promise-based HTTP client for the browser and Node.js 6.9 Medium CVE-2026-101907 Axios is a promise-based HTTP client for the browser and Node.js 7.0 High
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