{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "2026.4.8"
              }
            ],
            "source": [
              "CPE_RANGE",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "abe7b2c49da95a47fc0fc01661cec9bfed6941fc"
            },
            {
              "fixed": "d7c3210cd6f5fdfdc1beff4c9541673e814354d5"
            }
          ],
          "repo": "https://github.com/openclaw/openclaw",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-qx8j-g322-qj6m"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-601"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40037.json"
  },
  "details": "OpenClaw before 2026.3.31 (patched in 2026.4.8) contains a request body replay vulnerability in fetchWithSsrFGuard that allows unsafe request bodies to be resent across cross-origin redirects. Attackers can exploit this by triggering redirects to exfiltrate sensitive request data or headers to unintended origins.",
  "id": "CVE-2026-40037",
  "modified": "2026-07-27T03:56:25.049523780Z",
  "published": "2026-04-08T21:35:29.255Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40037.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-qx8j-g322-qj6m"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-40037"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/openclaw-unsafe-request-body-replay-via-fetchwithssrfguard-cross-origin-redirects"
    },
    {
      "type": "FIX",
      "url": "https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OpenClaw \u003c 2026.3.31 - Unsafe Request Body Replay via fetchWithSsrFGuard Cross-Origin Redirects"
}