{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90941", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-09-14T11:34:24.687Z", "datePublished": "2026-09-14T13:58:44.268Z", "dateUpdated": "2026-09-14T13:58:44.268Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-09-14T13:58:44.268Z"}, "datePublic": "2026-09-12T00:00:00.000Z", "title": "novel-plus through 5.3.3 Missing Authorization on the Admin Book Download Endpoint", "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-862", "description": "Missing Authorization", "type": "CWE"}]}], "affected": [{"defaultStatus": "unaffected", "vendor": "201206030", "product": "novel-plus", "packageURL": "pkg:github/201206030/novel-plus", "repo": "https://github.com/201206030/novel-plus", "versions": [{"version": "0", "lessThanOrEqual": "5.3.3", "status": "affected", "versionType": "custom"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:xxyopen:novel-plus:*:*:*:*:*:*:*:*", "versionEndIncluding": "5.3.3"}]}]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "version": "3.1", "baseSeverity": "MEDIUM", "baseScore": 4.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"}}, {"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "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", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/LinYuanyi1/cve-request-poc/blob/master/novel-plus/poc-09-book-download-missing-authorization.py", "name": "GET /novel/book/download missing authorization proof of concept", "tags": ["exploit"]}, {"url": "https://github.com/201206030/novel-plus/blob/d63c3ee394657046ebd469e263532a350a60e930/novel-admin/src/main/java/com/java2nb/novel/controller/BookController.java", "name": "BookController.download is the only one of nine methods without @RequiresPermissions", "tags": ["technical-description"]}, {"url": "https://github.com/201206030/novel-plus/blob/d63c3ee394657046ebd469e263532a350a60e930/novel-front/src/main/java/com/java2nb/novel/controller/page/PageController.java", "name": "The reader portal gates paid chapters behind a needBuy purchase check that the admin download endpoint omits", "tags": ["technical-description"]}, {"url": "https://github.com/201206030/novel-plus/releases/tag/v5.3.3", "name": "novel-plus v5.3.3 Release Notes", "tags": ["release-notes"]}, {"url": "https://github.com/201206030/novel-plus", "name": "Product", "tags": ["product"]}, {"name": "VulnCheck Advisory: novel-plus through 5.3.3 Missing Authorization on the Admin Book Download Endpoint", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/novel-plus-through-5.3.3-missing-authorization-on-the-admin-book-download-endpoint"}], "credits": [{"lang": "en", "value": "Mingsheng Lin", "type": "reporter"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "vulncheck-endgame"}}}}

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