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CVSS 7.5 · HIGH

CVE-2026-42039

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, toFormData recursively walks nested objects with no depth limit, so a deeply nested value passed as request data crashes the Node.js process with a RangeError. This vulnerability is fixed in 1.15.1 and 0.31.1.

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Analysis

Axios versions prior to 1.15.1 and 0.31.1 are vulnerable to a Denial of Service (DoS) via process crash. If your Node.js application passes untrusted nested objects to axios for form data conversion, an attacker can trigger a RangeError and crash your server; update to the latest version to apply the recursion depth limits.

Severity

Score: 7.5(HIGH)
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV: NETWORK
AC: LOW
PR: NONE
UI: NONE
S: UNCHANGED
C: NONE
I: NONE
A: HIGH
Weakness (CWE): CWE-674

EPSS

Probability of exploitation (next 30 days): 0.0005 (0.1%)
Percentile: 16.1%
EPSS: 2026-05-06

Affects

axios:axios

Technical description

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, toFormData recursively walks nested objects with no depth limit, so a deeply nested value passed as request data crashes the Node.js process with a RangeError. This vulnerability is fixed in 1.15.1 and 0.31.1.

Published: 4/24/2026, 6:16:30 PM
Last modified: 4/27/2026, 7:50:46 PM

References

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