Security Bulletin: Improper Hostname Normalization in Axios Enables NO_PROXY Bypass and SSRF Attacks

Summary Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.0 and 0.31.0, Axios does not correctly handle hostname normalization when checking NOPROXY rules. Requests to loopback addresses like localhost. with a trailing dot or ::1 IPv6 literal skip NOPROXY matching an...

GHSA-3P68-RC4W-QGX5 Axios has a NO_PROXY Hostname Normalization Bypass that Leads to SSRF

Axios does not correctly handle hostname normalization when checking NOPROXY rules. Requests to loopback addresses like localhost. with a trailing dot or ::1 IPv6 literal skip NOPROXY matching and go through the configured proxy. This goes against what developers expect and lets attackers force...

CVE-2025-62718

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.0 and 0.31.0, Axios does not correctly handle hostname normalization when checking NOPROXY rules. Requests to loopback addresses like localhost. with a trailing dot or ::1 IPv6 literal skip NOPROXY matching and go...

DEBIAN-CVE-2025-62718

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.0 and 0.31.0, Axios does not correctly handle hostname normalization when checking NOPROXY rules. Requests to loopback addresses like localhost. with a trailing dot or ::1 IPv6 literal skip NOPROXY matching and go...

UBUNTU-CVE-2025-62718

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.0 and 0.31.0, Axios does not correctly handle hostname normalization when checking NOPROXY rules. Requests to loopback addresses like localhost. with a trailing dot or ::1 IPv6 literal skip NOPROXY matching and go...