{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-101902", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-28T15:55:37.907Z", "datePublished": "2026-09-28T17:22:49.113Z", "dateUpdated": "2026-09-28T17:22:49.113Z"}, "containers": {"cna": {"title": "Axios: Prototype-Pollution Gadget in the Default Instance Allows Inherited Object.prototype.method to Override HTTP Method", "problemTypes": [{"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": "NONE", "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:N/SI:H/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/axios/axios/security/advisories/GHSA-9fr6-4gfg-395g", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/axios/axios/security/advisories/GHSA-9fr6-4gfg-395g"}, {"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/v0.34.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/axios/axios/releases/tag/v0.34.0"}, {"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": ">= 1.0.0, < 1.20.0", "status": "affected"}, {"version": ">= 0.27.2, < 0.34.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-28T17:22:49.113Z"}, "descriptions": [{"lang": "en", "value": "Axios is a promise-based HTTP client for the browser and Node.js. From 0.27.2 until 0.34.0 and 1.20.0, Axios default-instance requests that omit an explicit method can read an inherited method value from Object.prototype. If another vulnerability in the same process pollutes Object.prototype.method, calls such as axios.request({ url }) and axios({ url }) can send a state-changing HTTP method instead of the expected default GET. Axios does not create the prototype pollution source. This is a read-side gadget in axios request dispatch. This issue is fixed in version 0.34.0 and 1.20.0."}], "source": {"advisory": "GHSA-9fr6-4gfg-395g", "discovery": "UNKNOWN"}}}}

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