Resource exhaustion in Axios

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…

EPSS: 0.007 (49.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Axios — versions >= 1.0.0, < 1.15.1, < 0.31.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-42039?
CVE-2026-42039 is a high-severity vulnerability in Axios, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2026-04-24.
How severe is CVE-2026-42039?
High severity. CVSS v3 base score is 7.5 out of 10.