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Axios: Incomplete Fix for CVE-2025-62718 — NO_PROXY Protection Bypassed via RFC 1122 Loopback Subnet (127.0.0.0/8) in Axios 1.15.0

Type: advisorySources: OSV

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, an attacker who can influence the target URL of an Axios request can use any address in the 127.0.0.0/8 range (other than 127.0.0.1) to completely bypass the NO_PROXY protection. This vulnerability is due to an incomplete for CVE-2025-62718, This vulnerability is fixed in 1.15.1 and 0.31.1.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-42043
Confirmed fixed CVEs
Not specified
Updated in this feed
4 Nov 2026, 21:04 UTC · Revision 1

Source evidence

Axios: Incomplete Fix for CVE-2025-62718 — NO_PROXY Protection Bypassed via RFC 1122 Loopback Subnet (127.0.0.0/8) in Axios 1.15.0

core-osv · Original source

Published 24 Apr 2026, 17:54 UTC

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, an attacker who can influence the target URL of an Axios request can use any address in the 127.0.0.0/8 range (other than 127.0.0.1) to completely bypass the NO_PROXY protection. This vulnerability is due to an incomplete for CVE-2025-62718, This vulnerability is fixed in 1.15.1 and 0.31.1.

osv:CVE-2026-42043
Complete source record
{
  "id": "d28e98ccb16246178152050d1ea2346dad3ac2e290af1e518245e4db117a6166",
  "url": "https://osv.dev/vulnerability/CVE-2026-42043",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Axios: Incomplete Fix for CVE-2025-62718 — NO_PROXY Protection Bypassed via RFC 1122 Loopback Subnet (127.0.0.0/8) in Axios 1.15.0",
    "summary": "Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, an attacker who can influence the target URL of an Axios request can use any address in the 127.0.0.0/8 range (other than 127.0.0.1) to completely bypass the NO_PROXY protection. This vulnerability is due to an incomplete for CVE-2025-62718, This vulnerability is fixed in 1.15.1 and 0.31.1.",
    "evidence": "osv:CVE-2026-42043",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-42043",
      "aliases": [
        "CVE-2026-42043",
        "GHSA-pmwg-cvhr-8vh7"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
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            {
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              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
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                },
                {
                  "introduced": "484aa4fe6addccbd32206a31eb3d2d000843066e"
                },
                {
                  "fixed": "ac42446be51300fe214ba3c6e40cc95f34fd6871"
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              "database_specific": {
                "extracted_events": [
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                    "cpe": "cpe:2.3:a:axios:axios:*:*:*:*:*:node.js:*:*",
                    "range": [
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                        "introduced": "0"
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                      {
                        "fixed": "0.31.1"
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                    "source": "CPE_RANGE"
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                  {
                    "cpe": "cpe:2.3:a:axios:axios:*:*:*:*:*:node.js:*:*",
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          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-42043.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:39.620561041Z",
      "provider": "osv",
      "references": [
        "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42043.json",
        "https://access.redhat.com/errata/RHSA-2026:14937",
        "https://access.redhat.com/errata/RHSA-2026:16476",
        "https://access.redhat.com/errata/RHSA-2026:16532",
        "https://access.redhat.com/errata/RHSA-2026:16534",
        "https://access.redhat.com/errata/RHSA-2026:16535",
        "https://access.redhat.com/errata/RHSA-2026:16542",
        "https://access.redhat.com/errata/RHSA-2026:16874",
        "https://access.redhat.com/errata/RHSA-2026:17468",
        "https://access.redhat.com/errata/RHSA-2026:17474",
        "https://access.redhat.com/errata/RHSA-2026:17657",
        "https://access.redhat.com/errata/RHSA-2026:17699",
        "https://access.redhat.com/errata/RHSA-2026:19109",
        "https://access.redhat.com/errata/RHSA-2026:19375",
        "https://access.redhat.com/errata/RHSA-2026:20889",
        "https://access.redhat.com/errata/RHSA-2026:20938",
        "https://access.redhat.com/errata/RHSA-2026:21017",
        "https://access.redhat.com/errata/RHSA-2026:21338",
        "https://access.redhat.com/errata/RHSA-2026:21772",
        "https://access.redhat.com/errata/RHSA-2026:22465",
        "https://access.redhat.com/errata/RHSA-2026:22619",
        "https://access.redhat.com/errata/RHSA-2026:22629",
        "https://access.redhat.com/errata/RHSA-2026:22840",
        "https://access.redhat.com/errata/RHSA-2026:23361",
        "https://access.redhat.com/errata/RHSA-2026:24536",
        "https://access.redhat.com/errata/RHSA-2026:24539",
        "https://access.redhat.com/errata/RHSA-2026:24853",
        "https://access.redhat.com/errata/RHSA-2026:24977",
        "https://access.redhat.com/errata/RHSA-2026:25041",
        "https://access.redhat.com/errata/RHSA-2026:25089",
        "https://access.redhat.com/errata/RHSA-2026:25271",
        "https://access.redhat.com/errata/RHSA-2026:25273",
        "https://access.redhat.com/errata/RHSA-2026:26214",
        "https://access.redhat.com/errata/RHSA-2026:26225",
        "https://access.redhat.com/errata/RHSA-2026:26232",
        "https://access.redhat.com/errata/RHSA-2026:33574",
        "https://access.redhat.com/errata/RHSA-2026:36882",
        "https://access.redhat.com/errata/RHSA-2026:48670",
        "https://access.redhat.com/security/cve/CVE-2026-42043",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42043.json",
        "https://github.com/axios/axios/security/advisories/GHSA-pmwg-cvhr-8vh7",
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      "provider_metadata": {
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        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42043.json"
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    "related_cves": [
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        "value": "CVE-2026-42043",
        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 507010,
  "published_at": "2026-04-24T17:54:42.668+00:00"
}