FlowiseAI/Flowise has Server-Side Request Forgery (SSRF) vulnerability

{
  "id": "30482f753bb3a982957a97939c23a92985b9879a5ce2b0677dde288a3521f2ea",
  "url": "https://osv.dev/vulnerability/CVE-2025-59527",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "FlowiseAI/Flowise has Server-Side Request Forgery (SSRF) vulnerability",
    "summary": "Flowise is a drag & drop user interface to build a customized large language model flow. In version 3.0.5, a Server-Side Request Forgery (SSRF) vulnerability was discovered in the /api/v1/fetch-links endpoint of the Flowise application. This vulnerability allows an attacker to use the Flowise server as a proxy to access internal network web services and explore their link structures. This issue has been patched in version 3.0.6.",
    "evidence": "osv:CVE-2025-59527",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2025-59527",
      "aliases": [
        "CVE-2025-59527",
        "GHSA-hr92-4q35-4j3m"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/flowiseai/flowise",
              "type": "GIT",
              "events": [
                {
                  "introduced": "ba6a602cbe87d9f55c9ee6aebb6407ec2f2066b5"
                },
                {
                  "fixed": "89a0f23fe5e9c0b1ee85ee1175032c6b9e5ac9c1"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "= 3.0.5"
                      },
                      {
                        "last_affected": "= 3.0.5"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "fixed": "89a0f23fe5e9c0b1ee85ee1175032c6b9e5ac9c1"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "flowise@3.0.6"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.0.5",
            "= 3.0.5",
            "flowise@3.0.5",
            "flowise-ui@3.0.5",
            "flowise-components@3.0.5"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-59527.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:42.391942741Z",
      "provider": "osv",
      "references": [
        "https://github.com/FlowiseAI/Flowise/blob/5930f1119c655bcf8d2200ae827a1f5b9fec81d0/packages/components/src/utils.ts#L474-L478",
        "https://github.com/FlowiseAI/Flowise/blob/5930f1119c655bcf8d2200ae827a1f5b9fec81d0/packages/server/src/controllers/fetch-links/index.ts#L6-L24",
        "https://github.com/FlowiseAI/Flowise/blob/5930f1119c655bcf8d2200ae827a1f5b9fec81d0/packages/server/src/services/fetch-links/index.ts#L8-L18",
        "https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.0.6",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/59xxx/CVE-2025-59527.json",
        "https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-hr92-4q35-4j3m",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-59527"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-918"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/59xxx/CVE-2025-59527.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-59527",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 509931,
  "published_at": "2025-09-22T19:48:42.436+00:00"
}