CVE-2026-67315

axios 0.31.0 before 0.33.0 and 1.15.0 before 1.18.0 NO_PROXY Bypass via 0.0.0.0

State: Published
Severity: 6.9 Medium
Published: Aug 1, 2026
Updated: Aug 3, 2026
Reserved: Jul 29, 2026

Description

axios versions 0.31.0 before 0.33.0 and 1.15.0 before 1.18.0 fail to recognize 0.0.0.0 as a loopback address in shouldBypassProxy.js, allowing requests to 0.0.0.0 to bypass NO_PROXY rules. Attackers can supply 0.0.0.0 URLs to route requests through configured proxies, potentially exposing local services when the proxy can reach the destination.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N	VulnCheck

Weaknesses

CWE-183 Permissive List of Allowed Inputs

Affected Products

Product	Versions
axiosaxios	1.15.0 to before 1.18.0Affected 1.18.0Not affected
axiosaxios	0.31.0 to before 0.33.0Affected 0.33.0Not affected

References

GitHub Security Advisory (GHSA-f4gw-2p7v-4548)vendor-advisory
VulnCheck Advisory: axios 1.15.0 before 1.18.0 NO_PROXY Bypass via 0.0.0.0third-party-advisory

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