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Axios Vulnerability Let Attackers Triggers DoS Condition and Crash Node.js Servers

Cybersecuritynews •Abinaya • February 10, 2026

A high-severity security flaw has been discovered in Axios, one of the most popular HTTP client libraries used in the JavaScript ecosystem. The vulnerability, tracked as CVE-2026-25639, allows remote attackers to trigger a Denial-of-Service (DoS) condition, effectively crashing Node.js servers with a single malicious request. The flaw lies in Axios’s mergeConfig function, which combines different configuration objects. […]

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Axios Vulnerability Enables DoS Attacks on Node.js Servers A security vulnerability in Axios, tracked as CVE-2026-25639, has been identified, allowing remote attackers to trigger a Denial-of-Service (DoS) condition that can crash Node.js servers with a single malicious request. The flaw is located in the mergeConfig function, which merges configuration objects, affecting numerous applications relying on this popular HTTP client library. 3 sources 26

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Axios Vulnerability Let Attackers Triggers DoS Condition and Crash Node.js Servers

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MITRE ATT&CK (1)

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