Vulnerabilities CVE-2026-42039

CVE-2026-42039

Medium

Open

TLP:CLEAR

Axios: unbounded recursion in toFormData causes DoS via deeply nested request data

NVD CVE.org

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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.

Details

CVSS Score: 6.9
EPSS Score ⓘ: 0.72%

50.5th percentile
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Confidence: 90%
Published: Apr 24, 2026
Last Modified: Aug 12, 2026

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