Strapi Open Source and Enterprise Headless CMS — security advisory

{
  "id": "6f93cbe5a9efba07e53e2f6ced62d8dd39c60306b45d7d48d3a3850b563ea6ed",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-118172",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-118172",
    "summary": "The strapi/strapi (Core Admin / Webhook Runner) package is vulnerable to a semi-blind SSRF via a webhook follow-redirect. The webhook dispatcher automatically follows HTTP redirects without performing post-redirect IP resolution or RFC1918/link-local boundary checks. Non-2xx responses from target endpoints are captured and reflected directly back to the caller.",
    "evidence": "cve:CVE-2026-118172",
    "products": [
      {
        "name": {
          "value": "Strapi Open Source and Enterprise Headless CMS",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-118172",
      "aliases": [
        "CVE-2026-118172"
      ],
      "metrics": [],
      "affected": [
        {
          "vendor": "Strapi",
          "product": "Strapi Open Source and Enterprise Headless CMS",
          "versions": [
            {
              "status": "affected",
              "version": "5.51.0"
            }
          ]
        }
      ],
      "modified": "2026-10-27T18:04:13.270Z",
      "provider": "cve",
      "references": [
        "https://github.com/strapi/strapi/releases#release-v5.51.0"
      ],
      "provider_metadata": {
        "cna": {
          "orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
          "shortName": "certcc",
          "dateUpdated": "2026-10-27T18:04:13.270Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-118172",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-cve",
  "document_id": 398026,
  "published_at": "2026-10-27T18:04:13.27+00:00"
}