{"id":"CVE-2026-90941","summary":"novel-plus through 5.3.3 Missing Authorization on the Admin Book Download Endpoint","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.","modified":"2026-09-16T03:48:47.985395608Z","published":"2026-09-14T13:58:44.268Z","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"},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/201206030/novel-plus","events":[{"introduced":"0"},{"fixed":"d63c3ee394657046ebd469e263532a350a60e930"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"5.3.3"},{"fixed":"5.3.3"}],"source":["AFFECTED_FIELD","DESCRIPTION","REFERENCES"]}}],"versions":["v5.3.2","v5.3.1","v5.3.0","v5.2.6","v5.2.5","v5.2.4","v5.2.3","v5.2.2","v5.2.1","v5.2.0","v5.1.5","v5.1.3","v5.1.2","v5.1.1","v5.1.0","v5.0.0","v4.4.0","v4.3.0-RC1","4.2.0","4.1.0","v4.0.0","v3.6.2","v3.6.1","v3.6.0","v3.5.4","v3.5.3","v3.5.1","v3.5.0","v3.3.0","v3.1.0","v3.0.2","v2.8.0","v2.6.0","v2.5.0","v2.1.2","v2.0.2","v2.0.0","v1.1.1","v1.1.0","v1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90941.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","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"}]}