{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:axios:axios:*:*:*:*:*:node.js:*:*",
            "extracted_events": [
              {
                "introduced": "1.0.0"
              },
              {
                "fixed": "1.16.0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "CPE_RANGE"
            ]
          },
          "events": [
            {
              "introduced": "484aa4fe6addccbd32206a31eb3d2d000843066e"
            },
            {
              "fixed": "df53d7dd99b202fb194217abd127ae6a630e70dc"
            }
          ],
          "repo": "https://github.com/axios/axios",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-35jp-ww65-95wh"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-1321",
      "CWE-441"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44494.json"
  },
  "details": "Axios is a promise based HTTP client for the browser and Node.js. From 1.0.0 to before 1.16.0, the Axios library is vulnerable to a Prototype Pollution \"Gadget\" attack that allows any Object.prototype pollution in the application's dependency tree to be escalated into a full Man-in-the-Middle (MITM) attack — intercepting, reading, and modifying all HTTP traffic including authentication credentials. The HTTP adapter at lib/adapters/http.js:670 reads config.proxy via standard property access, which traverses the prototype chain. Because proxy is not present in Axios defaults, the merged config object has no own proxy property, making it trivially injectable via prototype pollution. Once injected, setProxy() routes all HTTP requests through the attacker's proxy server. This vulnerability is fixed in 1.16.0.",
  "id": "CVE-2026-44494",
  "modified": "2026-07-25T03:56:36.270871423Z",
  "published": "2026-06-11T15:32:03.155Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44494.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:20889"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:20938"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:26234"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:27044"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:28964"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:29082"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:29197"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:29800"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:29864"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:30650"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:30651"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:33005"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:33155"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:33160"
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      "url": "https://access.redhat.com/errata/RHSA-2026:33163"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:33173"
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      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:33183"
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      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:33574"
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      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:34525"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:34527"
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      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:34530"
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    {
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      "url": "https://access.redhat.com/errata/RHSA-2026:34794"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:36108"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:36611"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:36754"
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    {
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      "url": "https://access.redhat.com/errata/RHSA-2026:36820"
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    {
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      "url": "https://access.redhat.com/errata/RHSA-2026:36882"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:36883"
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    {
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      "url": "https://access.redhat.com/errata/RHSA-2026:40262"
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      "url": "https://access.redhat.com/errata/RHSA-2026:40792"
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      "url": "https://access.redhat.com/errata/RHSA-2026:40795"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:41031"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:41055"
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      "url": "https://access.redhat.com/errata/RHSA-2026:41064"
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      "url": "https://access.redhat.com/errata/RHSA-2026:41066"
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      "url": "https://access.redhat.com/errata/RHSA-2026:41928"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:41951"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:42078"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:42085"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:42142"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:42146"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:42796"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:43052"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/security/cve/CVE-2026-44494"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44494.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/axios/axios/security/advisories/GHSA-35jp-ww65-95wh"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44494"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2487942"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Axios: Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`"
}