High
node-axios — security advisory
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.
- Products
- node-axios
- Affected versions
- 0.19.0+dfsg-2, 0.19.0+dfsg-2ubuntu0.1~esm1, 0.21.1+dfsg-1, 0.23.0+dfsg-2, 0.24.0+dfsg-1, 0.25.0+dfsg-2, 0.26.0+dfsg-1, 0.26.0+dfsg-1ubuntu0.1~esm1, 1.11.0+dfsg-1, 1.12.1+dfsg-1, 1.13.2+dfsg-1build1, 1.13.2+dfsg-1ubuntu0.1~esm1, 1.16.0-1, 1.18.0-1, 1.19.0-1, 1.2.1+dfsg-1, 1.5.1+dfsg-1, 1.6.2+dfsg-1, 1.6.8+dfsg-2, 1.6.8+dfsg-2ubuntu0.1~esm1, 1.7.9+dfsg-1, 1.8.4+dfsg-1
- Fixed versions
- Not specified
- CVEs
- CVE-2026-44490
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 03:04 UTC · Revision 1
Source evidence
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.
osv:UBUNTU-CVE-2026-44490
node-axios
Fixed versions: Not specified
node-axios
Fixed versions: Not specified
node-axios
Fixed versions: Not specified
node-axios
Fixed versions: Not specified
node-axios
Fixed versions: Not specified
node-axios
Fixed versions: Not specified
Complete source record
{
"id": "d96c9cb0cb8178a283a8c7c712eb9bf4023f98c192e537f1b3e415cb08a3637c",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-44490",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-44490",
"summary": "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.",
"evidence": "osv:UBUNTU-CVE-2026-44490",
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"aliases": [
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"metrics": [
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{
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"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H"
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{
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"affected": [
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"ecosystem": "Ubuntu:Pro:20.04:LTS"
},
"versions": [
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],
"database_specific": {
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},
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"modified": "2026-10-17T13:00:08.470294223Z",
"provider": "osv",
"upstream": [
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"references": [
"https://ubuntu.com/security/CVE-2026-44490",
"https://www.cve.org/CVERecord?id=CVE-2026-44490",
"https://github.com/axios/axios/security/advisories/GHSA-898c-q2cr-xwhg"
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"source_id": "core-osv",
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"published_at": "2026-06-11T17:16:00+00:00"
}