Auth bypass in 201206030 Novel
CVE-2026-123676
A vulnerability has been found in xxyopen/201206030 novel up to 3.5.0. This impacts the function BookServiceImpl.getBookContentAbout of the file src/main/java/io/github/xxyopen/novel/service/impl/BookServiceImpl.java of the component Book Content Service. Such manipulation of the argument chapterId leads to improper authorization. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 966c4bdde3521dc0a165d15a2acff66ee33eaaa7. Applying a patch is advised to resolve this issue.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (24.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 24.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
The 30-day trend appears once there are two daily scores.
Affected products
- 201206030 Novel — versions 3.0, 3.1, 3.2
- Xxyopen Novel — versions 3.0, 3.1, 3.2
Weakness classification (CWE)
References
- github.com/201206030/novel/commit/966c4bdde3521dc0a165d15a2acff66ee33eaaa7 (patch)
- github.com/201206030/novel/pull/52 (issue-tracking, exploit, patch)
- vuldb.com/cve/CVE-2026-123676 (third-party-advisory)
- vuldb.com/submit/1033603 (third-party-advisory)
- vuldb.com/vuln/431793 (technical-description, vdb-entry)
- vuldb.com/vuln/431793/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-123676?
- CVE-2026-123676 is a medium-severity vulnerability in 201206030 Novel, classified under Incorrect Privilege Assignment. CVSS score: 5.3/10. Published 2026-11-06.
- How severe is CVE-2026-123676?
- Medium severity. CVSS v3 base score is 5.3 out of 10.