{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "5.3.3"
              },
              {
                "fixed": "5.3.3"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "d63c3ee394657046ebd469e263532a350a60e930"
            }
          ],
          "repo": "https://github.com/201206030/novel-plus",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-862"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90941.json"
  },
  "details": "novel-plus through 5.3.3 contains an authorization bypass vulnerability in the BookController download endpoint that allows authenticated backend accounts to export complete book text including paid chapters. Attackers can supply a bookId and bookName to retrieve all chapter content without VIP or purchase verification, bypassing the permission checks and data-scope limits enforced elsewhere in the admin interface.",
  "id": "CVE-2026-90941",
  "modified": "2026-09-17T03:30:36.162662130Z",
  "published": "2026-09-14T13:58:44.268Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/201206030/novel-plus/releases/tag/v5.3.3"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90941.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90941"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/novel-plus-through-5.3.3-missing-authorization-on-the-admin-book-download-endpoint"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/201206030/novel-plus"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/201206030/novel-plus/blob/d63c3ee394657046ebd469e263532a350a60e930/novel-admin/src/main/java/com/java2nb/novel/controller/BookController.java"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/201206030/novel-plus/blob/d63c3ee394657046ebd469e263532a350a60e930/novel-front/src/main/java/com/java2nb/novel/controller/page/PageController.java"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/LinYuanyi1/cve-request-poc/blob/master/novel-plus/poc-09-book-download-missing-authorization.py"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "novel-plus through 5.3.3 Missing Authorization on the Admin Book Download Endpoint"
}