{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-44489", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-06T17:18:51.783Z", "datePublished": "2026-06-11T15:30:44.798Z", "dateUpdated": "2026-06-11T18:17:09.112Z"}, "containers": {"cna": {"title": "Axios: Proxy-Authorization Header Injection via Prototype Pollution \u2014 Incomplete Null-Prototype Fix", "problemTypes": [{"descriptions": [{"cweId": "CWE-113", "lang": "en", "description": "CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-1321", "lang": "en", "description": "CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/axios/axios/security/advisories/GHSA-654m-c8p4-x5fp", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/axios/axios/security/advisories/GHSA-654m-c8p4-x5fp"}], "affected": [{"vendor": "axios", "product": "axios", "versions": [{"version": "1.15.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-11T15:30:44.798Z"}, "descriptions": [{"lang": "en", "value": "Axios is a promise based HTTP client for the browser and Node.js. From 1.15.2 to before 1.16.0, nested objects created by utils.merge() (e.g., config.proxy) are still constructed as plain {} with Object.prototype in their chain. The setProxy() function at lib/adapters/http.js:209-223 reads proxy.username, proxy.password, and proxy.auth without hasOwnProperty checks. When Object.prototype.username is polluted, setProxy() constructs a Proxy-Authorization header with attacker-controlled credentials and injects it into every proxied HTTP request. This vulnerability is fixed in 1.16.0."}], "source": {"advisory": "GHSA-654m-c8p4-x5fp", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/axios/axios/security/advisories/GHSA-654m-c8p4-x5fp", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-11T18:16:53.917491Z", "id": "CVE-2026-44489", "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": "2026-06-11T18:17:09.112Z"}}]}}

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