What is CVE-2026-42044?

CVE-2026-42044 is a medium-severity vulnerability in Axios, classified under Improperly Controlled Modification of Dynamically-Determined Object Attributes. CVSS score: 6.5/10. Published 2026-04-24.

How severe is CVE-2026-42044?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Prototype Pollution in Axios

CVE-2026-42044

Axios is a promise based HTTP client for the browser and Node.js. From 1.0.0 to before 1.15.2, he Axios library is vulnerable to a Prototype Pollution "Gadget" attack that allows any Object.prototype pollution in the application's dependen…

Vulnerability class: Mass Assignment

EPSS: 0.001 (33.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N.

Affected products

Axios — versions >= 1.0.0, < 1.15.2

Weakness classification (CWE)

References

https://github.com/axios/axios/security/advisories/GHSA-3w6x-2g7m-8v23 (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-42044?: CVE-2026-42044 is a medium-severity vulnerability in Axios, classified under Improperly Controlled Modification of Dynamically-Determined Object Attributes. CVSS score: 6.5/10. Published 2026-04-24.
How severe is CVE-2026-42044?: Medium severity. CVSS v3 base score is 6.5 out of 10.