{"id":"CVE-2026-90941","title":"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","summary":"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 bookI…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-862"],"vendor":"201206030","product":"novel-plus","affected":["novel-plus <= 5.3.3"],"published":"2026-09-14","updated":"2026-09-23","sourceUpdated":"2026-09-23T17:17:47.650","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-90941","references":[{"url":"https://github.com/201206030/novel-plus","label":"disclosure@vulncheck.com"},{"url":"https://github.com/201206030/novel-plus/blob/d63c3ee394657046ebd469e263532a350a60e930/novel-admin/src/main/java/com/java2nb/novel/controller/BookController.java","label":"disclosure@vulncheck.com"},{"url":"https://github.com/201206030/novel-plus/blob/d63c3ee394657046ebd469e263532a350a60e930/novel-front/src/main/java/com/java2nb/novel/controller/page/PageController.java","label":"disclosure@vulncheck.com"},{"url":"https://github.com/201206030/novel-plus/releases/tag/v5.3.3","label":"disclosure@vulncheck.com"},{"url":"https://github.com/LinYuanyi1/cve-request-poc/blob/master/novel-plus/poc-09-book-download-missing-authorization.py","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/novel-plus-through-5.3.3-missing-authorization-on-the-admin-book-download-endpoint","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00234,"epssPercentile":0.14574,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-16T15:03:53.883606Z"},"ingestedAt":"2026-09-14T15:23:07.422Z","slug":"CVE-2026-90941","body":"## Overview\n\nnovel-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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":36,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":205402,"id":"CVE-2026-90941","ts":1789574383808,"field":"exploit_available","old":"false","new":"true"}]}