CVE-2026-44495

Axios: Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge

HIGH 7.7EPSS 1.0%

Axios is a promise based HTTP client for the browser and Node.js. From 0.19.0 to before 0.31.1 and 1.15.2, Axios contains prototype-pollution gadgets in request config processing. If another vulnerability in the same JavaScript process has already polluted Object.prototype.transformResponse, affected Axios versions may treat that inherited value as request configuration or as an option validator. Axios does not itself create the prototype pollution. Exploitability requires a separate prototype-pollution vulnerability or equivalent attacker control over Object.prototype before Axios creates a request. This vulnerability is fixed in 0.31.1 and 1.15.2.

Affected: axios
CVSS v3.1 NVD: 7.7 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:H
CVSS v3.1 CNA: 7.0 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L
EPSS: 1.04% chance of exploitation in the next 30 days, 63rd percentile
Published: 2026-06-11
Updated: 2026-09-11

Proof-of-concept exploits (1)

advisories/GHSA-3g43-6gmg-66jw

CVE-2026-44495

Proof-of-concept exploits (1)

Security advisories

References