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Axios: Regular Expression Denial of Service (ReDoS) via Cookie Name Injection

Type: advisorySources: OSV

Axios is a promise based HTTP client for the browser and Node.js. Axios versions before 0.32.0 on the 0.x line and before 1.16.0 on the 1.x line build a regular expression from the configured XSRF cookie name without escaping regex metacharacters. In standard browser environments, an attacker who can influence the cookie name passed to axios can cause expensive regex backtracking while axios reads document.cookie. The practical impact is client-side availability degradation, such as freezing the affected browser tab while axios prepares a request. The issue does not affect ordinary Node.js HTTP adapter usage, React Native, or web workers, where axios does not read document.cookie. This vulnerability is fixed in 0.32.0 and 1.16.0.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-44496
Confirmed fixed CVEs
Not specified
Updated in this feed
6 Nov 2026, 02:02 UTC · Revision 1

Source evidence

Axios: Regular Expression Denial of Service (ReDoS) via Cookie Name Injection

core-osv · Original source

Published 11 Jun 2026, 15:34 UTC

Axios is a promise based HTTP client for the browser and Node.js. Axios versions before 0.32.0 on the 0.x line and before 1.16.0 on the 1.x line build a regular expression from the configured XSRF cookie name without escaping regex metacharacters. In standard browser environments, an attacker who can influence the cookie name passed to axios can cause expensive regex backtracking while axios reads document.cookie. The practical impact is client-side availability degradation, such as freezing the affected browser tab while axios prepares a request. The issue does not affect ordinary Node.js HTTP adapter usage, React Native, or web workers, where axios does not read document.cookie. This vulnerability is fixed in 0.32.0 and 1.16.0.

osv:CVE-2026-44496
Complete source record
{
  "id": "057150791beae277665e1cddbb0b90d70432313aa3565ef2d16ee8f8d8b8f6e4",
  "url": "https://osv.dev/vulnerability/CVE-2026-44496",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Axios: Regular Expression Denial of Service (ReDoS) via Cookie Name Injection",
    "summary": "Axios is a promise based HTTP client for the browser and Node.js. Axios versions before 0.32.0 on the 0.x line and before 1.16.0 on the 1.x line build a regular expression from the configured XSRF cookie name without escaping regex metacharacters. In standard browser environments, an attacker who can influence the cookie name passed to axios can cause expensive regex backtracking while axios reads document.cookie. The practical impact is client-side availability degradation, such as freezing the affected browser tab while axios prepares a request. The issue does not affect ordinary Node.js HTTP adapter usage, React Native, or web workers, where axios does not read document.cookie. This vulnerability is fixed in 0.32.0 and 1.16.0.",
    "evidence": "osv:CVE-2026-44496",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-44496",
      "aliases": [
        "CVE-2026-44496",
        "GHSA-hfxv-24rg-xrqf"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/axios/axios",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8db2d44896849a21ed9721185b1034df24e1ba7b"
                },
                {
                  "introduced": "484aa4fe6addccbd32206a31eb3d2d000843066e"
                },
                {
                  "fixed": "df53d7dd99b202fb194217abd127ae6a630e70dc"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:axios:axios:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.32.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:axios:axios:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "1.0.0"
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                        "fixed": "1.16.0"
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          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-44496.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:46.147970823Z",
      "provider": "osv",
      "references": [
        "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44496.json",
        "https://access.redhat.com/errata/RHSA-2026:20889",
        "https://access.redhat.com/errata/RHSA-2026:20938",
        "https://access.redhat.com/errata/RHSA-2026:27044",
        "https://access.redhat.com/errata/RHSA-2026:27063",
        "https://access.redhat.com/errata/RHSA-2026:28571",
        "https://access.redhat.com/errata/RHSA-2026:28964",
        "https://access.redhat.com/errata/RHSA-2026:29082",
        "https://access.redhat.com/errata/RHSA-2026:29197",
        "https://access.redhat.com/errata/RHSA-2026:30076",
        "https://access.redhat.com/errata/RHSA-2026:30650",
        "https://access.redhat.com/errata/RHSA-2026:30651",
        "https://access.redhat.com/errata/RHSA-2026:33155",
        "https://access.redhat.com/errata/RHSA-2026:33160",
        "https://access.redhat.com/errata/RHSA-2026:33163",
        "https://access.redhat.com/errata/RHSA-2026:33173",
        "https://access.redhat.com/errata/RHSA-2026:33183",
        "https://access.redhat.com/errata/RHSA-2026:33574",
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        "https://access.redhat.com/errata/RHSA-2026:36820",
        "https://access.redhat.com/errata/RHSA-2026:36882",
        "https://access.redhat.com/errata/RHSA-2026:36883",
        "https://access.redhat.com/errata/RHSA-2026:41055",
        "https://access.redhat.com/errata/RHSA-2026:41064",
        "https://access.redhat.com/errata/RHSA-2026:41066",
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        "https://access.redhat.com/errata/RHSA-2026:42078",
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        "https://access.redhat.com/errata/RHSA-2026:42142",
        "https://access.redhat.com/errata/RHSA-2026:42796",
        "https://access.redhat.com/errata/RHSA-2026:46885",
        "https://access.redhat.com/errata/RHSA-2026:46903",
        "https://access.redhat.com/errata/RHSA-2026:50300",
        "https://access.redhat.com/errata/RHSA-2026:56789",
        "https://access.redhat.com/errata/RHSA-2026:57191",
        "https://access.redhat.com/errata/RHSA-2026:59360",
        "https://access.redhat.com/errata/RHSA-2026:59833",
        "https://access.redhat.com/errata/RHSA-2026:60520",
        "https://access.redhat.com/errata/RHSA-2026:66488",
        "https://access.redhat.com/errata/RHSA-2026:66545",
        "https://access.redhat.com/security/cve/CVE-2026-44496",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44496.json",
        "https://github.com/axios/axios/security/advisories/GHSA-hfxv-24rg-xrqf",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-44496",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2487943"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-1333",
          "CWE-400"
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        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44496.json"
      }
    },
    "related_cves": [
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        "value": "CVE-2026-44496",
        "evidence": "/id"
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    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 514101,
  "published_at": "2026-06-11T15:34:28.492+00:00"
}