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CVE-2026-44492

High

Description

Axios is a promise based HTTP client for the browser and Node.js. Prior to 0.32.0 and 1.16.0, Axios does not normalise IPv4-mapped IPv6 addresses. When NO_PROXY lists an IPv4 address such as 127.0.0.1 or 169.254.169.254, a request URL using the IPv4-mapped IPv6 form (::ffff:7f00:1, ::ffff:a9fe:a9fe) still routes through the configured proxy. Node.js resolves these addresses to the underlying IPv4 host, so the request reaches the internal service via the proxy rather than being blocked. This vulnerability is fixed in 0.32.0 and 1.16.0.

SeverityHigh
CVSS8.6
Exploit probability—
ProductAxios
PublishedJun 11, 2026
First seenJun 11, 2026
Weakness typeCWE-918Server-side request forgery (SSRF)

How to fix

Update
  • axios axios0.32.0, 1.16.0 or later
  • axios1.16.0, 0.32.0 or later
Vendor advisories

Affected products

ProductAffected versionsFixed in
axios axiosv < 0.32.0, 1.0.0 ≤ v < 1.16.00.32.0, 1.16.0
axiosnpm1.15.0 ≤ v < 1.16.0, v < 0.32.01.16.0, 0.32.0

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