CVE-2026-44490 Details
Description
Axios is a promise based HTTP client for the browser and Node.js. Prior to 0.32.0 and 1.16.0, axios exposes two read-side prototype-pollution gadgets. When Object.prototype is polluted by an upstream dependency in the same process (e.g. lodash _.merge / CVE-2018-16487), axios silently picks up the polluted values. (1) lib/utils.js line 406 builds merge()'s accumulator as result = {}, so result[targetKey] (line 414) walks Object.prototype and the polluted bucket's own keys are copied into the merged headers and ride out on the wire. (2) lib/core/mergeConfig.js line 26 builds the hasOwnProperty descriptor as a plain-object literal. Object.defineProperty reads descriptor.get/descriptor.set via the prototype chain, so a polluted Object.prototype.get or Object.prototype.set makes the call throw TypeError synchronously on every axios request. This vulnerability is fixed in 0.32.0 and 1.16.0.
A prototype pollution vulnerability has been identified in Axios versions prior to 0.32.0 and 1.16.0. This vulnerability arises when an upstream dependency, such as Lodash, pollutes the Object.prototype. Axios then inadvertently incorporates these polluted values. The issue manifests in two ways: first, through header injection, where polluted keys are merged into Axios headers and sent with requests; second, by causing a denial-of-service condition, where polluted prototype methods disrupt Axios's request handling by throwing errors.
Users can upgrade to Axios versions 0.32.0 or 1.16.0 and later, where this vulnerability has been fixed.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 11, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/axios/axios/security/advisories/GHSA-898c-q2cr-xwhg | CISA-ADP | ExploitVendor Advisory |
| https://github.com/axios/axios/security/advisories/GHSA-898c-q2cr-xwhg | [email protected] | ExploitVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-1321 | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| axios axios | < 0.32.0 >= 1.0.0, < 1.16.0 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 15, 2026 | Initial Analysis | [email protected] |
| Jun 11, 2026 | CVE Modified | CISA-ADP |
| Jun 11, 2026 | New CVE Received | [email protected] |