cskefu Endpoint MediaController.java server-side request forgery

{
  "id": "6ebcf52a34b91d46ab07e92e637206b2d90355c90786aab79a9587d759e06863",
  "url": "https://osv.dev/vulnerability/CVE-2026-2556",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "cskefu Endpoint MediaController.java server-side request forgery",
    "summary": "A security vulnerability has been detected in cskefu up to 8.0.1. This issue affects some unknown processing of the file com/cskefu/cc/controller/resource/MediaController.java of the component Endpoint. The manipulation of the argument url leads to server-side request forgery. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.",
    "evidence": "osv:CVE-2026-2556",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2026-2556",
      "aliases": [
        "CVE-2026-2556"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/cskefu/cskefu",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "568a0e6b607ffbe325296587390446ef3acc9482"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:cskefu:cskefu:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "8.0.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "8.0.1",
            "8.0.0.RC2",
            "8.0.0.RC1",
            "7.0.1",
            "7.0.0",
            "5.1.1",
            "5.1.0",
            "5.0.0",
            "3.10.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-2556.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:37.782715865Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2556.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-2556",
        "https://vuldb.com/?id.346164",
        "https://vuldb.com/?submit.750708",
        "https://vuldb.com/?ctiid.346164",
        "https://fx4tqqfvdw4.feishu.cn/docx/Vrs6dRx79ondtCxldz2cvupdnMe"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-918"
        ],
        "cna_assigner": "VulDB",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "8.0.0"
                  },
                  {
                    "last_affected": "8.0.0"
                  },
                  {
                    "introduced": "8.0.1"
                  },
                  {
                    "last_affected": "8.0.1"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2556.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-2556",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 505339,
  "published_at": "2026-02-16T12:32:39.941+00:00"
}