perfree go-fastdfs-web Installation Endpoint checkServer server-side request forgery

{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-11437",
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "dateUpdated": "2026-06-06T16:30:12.201Z",
    "dateReserved": "2026-06-05T22:12:51.217Z",
    "datePublished": "2026-06-06T16:30:12.201Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB",
        "dateUpdated": "2026-06-06T16:30:12.201Z"
      },
      "title": "perfree go-fastdfs-web Installation Endpoint checkServer server-side request forgery",
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw has been found in perfree go-fastdfs-web up to 1.3.7. Affected is the function checkServer of the file /install/checkServer of the component Installation Endpoint. Executing a manipulation can lead to server-side request forgery. The attack can be executed remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
        }
      ],
      "affected": [
        {
          "vendor": "perfree",
          "product": "go-fastdfs-web",
          "cpes": [
            "cpe:2.3:a:perfree:go-fastdfs-web:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Installation Endpoint"
          ],
          "versions": [
            {
              "version": "1.3.0",
              "status": "affected"
            },
            {
              "version": "1.3.1",
              "status": "affected"
            },
            {
              "version": "1.3.2",
              "status": "affected"
            },
            {
              "version": "1.3.3",
              "status": "affected"
            },
            {
              "version": "1.3.4",
              "status": "affected"
            },
            {
              "version": "1.3.5",
              "status": "affected"
            },
            {
              "version": "1.3.6",
              "status": "affected"
            },
            {
              "version": "1.3.7",
              "status": "affected"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "Server-Side Request Forgery",
              "cweId": "CWE-918",
              "type": "CWE"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://vuldb.com/vuln/369017",
          "name": "VDB-369017 | perfree go-fastdfs-web Installation Endpoint checkServer server-side request forgery",
          "tags": [
            "vdb-entry",
            "technical-description"
          ]
        },
        {
          "url": "https://vuldb.com/vuln/369017/cti",
          "name": "VDB-369017 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ]
        },
        {
          "url": "https://vuldb.com/cve/CVE-2026-11437",
          "name": "CVE-2026-11437 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ]
        },
        {
          "url": "https://vuldb.com/submit/822726",
          "name": "Submit #822726 | perfree go-fastdfs-web ≤1.3.7 Server-Side Request Forgery",
          "tags": [
            "third-party-advisory"
          ]
        },
        {
          "url": "https://www.notion.so/Server-Side-Request-Forgery-SSRF-in-go-fastdfs-web-Installation-Endpoint-35aea92a3c41806485ffeeac7e18126a",
          "tags": [
            "exploit"
          ]
        }
      ],
      "metrics": [
        {},
        {
          "cvssV3_1": {
            "version": "3.1",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "baseScore": 7.3,
            "baseSeverity": "HIGH"
          }
        },
        {
          "cvssV3_0": {
            "version": "3.0",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "baseScore": 7.3,
            "baseSeverity": "HIGH"
          }
        },
        {
          "cvssV2_0": {
            "version": "2.0",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
            "baseScore": 7.5
          }
        }
      ],
      "timeline": [
        {
          "time": "2026-06-05T02:00:00.000Z",
          "lang": "en",
          "value": "VulDB entry created"
        },
        {
          "time": "2026-06-06T00:00:00.000Z",
          "lang": "en",
          "value": "Advisory disclosed"
        },
        {
          "time": "2026-06-06T00:17:55.000Z",
          "lang": "en",
          "value": "VulDB entry last update"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "din4 (VulDB User)",
          "type": "reporter"
        },
        {
          "lang": "en",
          "value": "VulDB CNA Team",
          "type": "coordinator"
        }
      ]
    }
  }
}