CVE-2026-67315
Received Received - Intake

Proxy Bypass in Axios via Loopback Address Misconfiguration

Vulnerability report for CVE-2026-67315, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-08-01

Last updated on: 2026-08-01

Assigner: VulnCheck

Description

axios versions 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.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-08-01
Last Modified
2026-08-01
Generated
2026-08-01
AI Q&A
2026-08-01
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
axios axios to 1.18.0 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-183 The product implements a protection mechanism that relies on a list of inputs (or properties of inputs) that are explicitly allowed by policy because the inputs are assumed to be safe, but the list is too permissive - that is, it allows an input that is unsafe, leading to resultant weaknesses.

Attack-Flow Graph

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Executive Summary

axios versions 1.15.0 before 1.18.0 fail to recognize 0.0.0.0 as a loopback address in shouldBypassProxy.js. This allows requests to 0.0.0.0 to bypass NO_PROXY rules, potentially routing requests through configured proxies instead of directly to local services.

Detection Guidance

Check if your axios version is between 1.15.0 and 1.18.0. Run: npm list axios. If affected, update axios to version 1.18.0 or later.

Impact Analysis

Attackers could supply 0.0.0.0 URLs to route requests through proxies, potentially exposing local services if the proxy can reach the destination. This may lead to unauthorized access or data leakage.

Mitigation Strategies

Upgrade axios to version 1.18.0 or higher immediately. Review proxy configurations to ensure 0.0.0.0 is not treated as a loopback address bypassing NO_PROXY rules.

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