---
id: CVE-2026-123677
title: >-
  xxyopen/201206030 novel Book Chapter Read BookServiceImpl.java getBookChapter
  authorization
summary: >-
  A vulnerability was found in xxyopen/201206030 novel up to 3.5.0. Affected is
  the function getBookChapter of the file
  src/main/java/io/github/xxyopen/novel/service/impl/BookServiceImpl.java of the
  component Book Chapter Read Handler. Per…
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/E:P/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-639
  - CWE-285
vendor: xxyopen
product: novel
affected:
  - novel 3.0
  - novel 3.1
  - novel 3.2
  - novel 3.3
  - novel 3.4
  - novel 3.5.0
  - novel 3.0
  - novel 3.1
  - novel 3.2
  - novel 3.3
  - novel 3.4
  - novel 3.5.0
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-06T16:44:35.406655Z'
exploitAvailable: true
published: '2026-11-06'
updated: '2026-11-06'
sourceUpdated: '2026-11-06T16:44:47.674Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-123677'
references:
  - url: 'https://vuldb.com/vuln/431794'
    label: >-
      VDB-431794 | xxyopen/201206030 novel Book Chapter Read
      BookServiceImpl.java getBookChapter authorization
  - url: 'https://vuldb.com/vuln/431794/cti'
    label: 'VDB-431794 | CTI Indicators (IOB, IOC, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-123677'
    label: CVE-2026-123677 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/1033604'
    label: >-
      Submit #1033604 | https://github.com/201206030/ novel 3.5.0 Authorization
      Bypass Through User-Controlled Key
  - url: 'https://github.com/201206030/novel/pull/51'
  - url: >-
      https://github.com/201206030/novel/commit/b8134e774820e0971fa9d8074405b49a01c99bdc
tags:
  - cve.org
  - exploit-available
ingestedAt: '2026-11-06T15:54:03.872Z'
epss: 0.00313
epssPercentile: 0.24415
---

## Overview

A vulnerability was found in xxyopen/201206030 novel up to 3.5.0. Affected is the function getBookChapter of the file src/main/java/io/github/xxyopen/novel/service/impl/BookServiceImpl.java of the component Book Chapter Read Handler. Performing a manipulation of the argument chapterId results in authorization bypass. The attack may be initiated remotely. The exploit has been made public and could be used. The patch is named b8134e774820e0971fa9d8074405b49a01c99bdc. It is suggested to install a patch to address this issue.

## Affected

- `novel 3.0`
- `novel 3.1`
- `novel 3.2`
- `novel 3.3`
- `novel 3.4`
- `novel 3.5.0`
- `novel 3.0`
- `novel 3.1`
- `novel 3.2`
- `novel 3.3`
- `novel 3.4`
- `novel 3.5.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.