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vuln-cve/data/2026/101xxx/CVE-2026-101900.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-101900",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-09-28T15:55:37.906Z",
"datePublished": "2026-09-28T17:14:07.108Z",
"dateUpdated": "2026-09-28T17:49:13.106Z"
},
"containers": {
"cna": {
"title": "Axios: Fetch Adapter Header Injection via Inherited FormData getHeaders",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-74",
"lang": "en",
"description": "CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-693",
"lang": "en",
"description": "CWE-693: Protection Mechanism Failure",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-1321",
"lang": "en",
"description": "CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "LOW",
"subIntegrityImpact": "HIGH",
"subAvailabilityImpact": "NONE",
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:H/SA:N",
"version": "4.0"
}
}
],
"references": [
{
"name": "https://github.com/axios/axios/security/advisories/GHSA-4hqw-qxg8-jxx2",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/axios/axios/security/advisories/GHSA-4hqw-qxg8-jxx2"
},
{
"name": "https://github.com/axios/axios/pull/11141",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/axios/axios/pull/11141"
},
{
"name": "https://github.com/axios/axios/commit/d19040bda7a8be2f82c3c6e1a5bc03917daee39a",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/axios/axios/commit/d19040bda7a8be2f82c3c6e1a5bc03917daee39a"
},
{
"name": "https://github.com/axios/axios/releases/tag/v1.20.0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/axios/axios/releases/tag/v1.20.0"
}
],
"affected": [
{
"vendor": "axios",
"product": "axios",
"versions": [
{
"version": ">= 1.12.0, < 1.20.0",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-09-28T17:14:07.108Z"
},
"descriptions": [
{
"lang": "en",
"value": "Axios is a promise-based HTTP client for the browser and Node.js. From 1.12.0 until 1.20.0, ResolveConfig reads inherited Symbol.toStringTag, append, and getHeaders properties while resolving FormData headers. A separate same-process prototype-pollution flaw supplies an array or non-plain class instance whose inherited properties make it appear FormData-like; plain objects are blocked. The inherited getHeaders function can return attacker-controlled headers that resolveConfig merges into a fetch adapter request. Attacker-controlled headers can alter authorization, cache, metadata-service, or application-specific request behavior. This issue is fixed in version 1.20.0."
}
],
"source": {
"advisory": "GHSA-4hqw-qxg8-jxx2",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"references": [
{
"url": "https://github.com/axios/axios/security/advisories/GHSA-4hqw-qxg8-jxx2",
"tags": [
"exploit"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-09-28T17:48:51.957700Z",
"id": "CVE-2026-101900",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-09-28T17:49:13.106Z"
}
}
]
}
}