{"id":"CVE-2026-90941","aliases":["EUVD-2026-77485","GHSA-39v2-xq6r-hppw"],"status":"published","title":"novel-plus through 5.3.3 Missing Authorization on the Admin Book Download Endpoint","description":"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.","severity":{"version":"4.0","score":5.3,"vector":"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00406,"percentile":0.35393,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-09-14T13:58:44Z","modified":"2026-10-28T02:30:55Z","products":[{"vendor":"201206030","product":"novel-plus"}],"references":[{"url":"https://github.com/LinYuanyi1/cve-request-poc/blob/master/novel-plus/poc-09-book-download-missing-authorization.py","tags":["exploit","evidence"]},{"url":"https://github.com/201206030/novel-plus/blob/d63c3ee394657046ebd469e263532a350a60e930/novel-admin/src/main/java/com/java2nb/novel/controller/BookController.java","tags":["technical-description","article"]},{"url":"https://github.com/201206030/novel-plus/blob/d63c3ee394657046ebd469e263532a350a60e930/novel-front/src/main/java/com/java2nb/novel/controller/page/PageController.java","tags":["technical-description","article"]},{"url":"https://github.com/201206030/novel-plus/releases/tag/v5.3.3","tags":["release-notes","advisory"]},{"url":"https://github.com/201206030/novel-plus","tags":["product","package"]},{"url":"https://www.vulncheck.com/advisories/novel-plus-through-5.3.3-missing-authorization-on-the-admin-book-download-endpoint","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90941","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-39v2-xq6r-hppw"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90941.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-90941","title":"novel-plus through 5.3.3 Missing Authorization on the Admin Book Download Endpoint","description":"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.","status":"published","published":"2026-09-14T13:58:44.268Z","modified":"2026-09-24T14:22:02.877Z","cvss":[{"version":"4.0","score":5.3,"vector":"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","level":"medium","assessor":"cna"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T13:45:47.885058Z"}],"euvd":[{"id":"EUVD-2026-77485","description":"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.","status":"published","published":"2026-09-14T13:58:44Z","modified":"2026-09-24T14:22:02Z","cvss":[{"version":"4.0","score":5.3,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T17:27:57.402158Z"}],"ghsa":[{"id":"GHSA-39v2-xq6r-hppw","title":"novel-plus through 5.3.3 contains an authorization bypass vulnerability in the BookController...","description":"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.","status":"published","published":"2026-09-14T15:32:47Z","modified":"2026-09-14T15:32:56Z","cvss":[{"version":"4.0","score":5.3,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:11:50.762382Z"}],"nvd":[{"id":"CVE-2026-90941","description":"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.","status":"published","published":"2026-09-14T14:17:20.553Z","modified":"2026-09-23T17:17:47.65Z","cvss":[{"version":"4.0","score":5.3,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:46.980627Z"}],"osv":[{"id":"CVE-2026-90941","title":"novel-plus through 5.3.3 Missing Authorization on the Admin Book Download Endpoint","description":"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.","status":"published","published":"2026-09-14T13:58:44.268Z","modified":"2026-10-28T02:30:55.497094776Z","cvss":[{"version":"4.0","score":5.3,"vector":"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","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:45:20.269367Z"}]}}