xxyopen/201206030 novel Book Chapter Read BookServiceImpl.java getBookChapter authorization
- Exploited
- Proof of concept public, per CISA
- Fix
- Fix or patch referenced
- Who is exposed
- Not reported
Do first: Apply the patch listed under Evidence.
- Last modified
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 23/100 · provisional
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: poc
- Automatable: no
- Technical impact: partial
Summary
This vulnerability affects the novel book chapter reading feature in xxyopen's 201206030 novel project, specifically its chapter-retrieval handling. An attacker who can reach the service over the network, with only a low-privilege login, can manipulate the chapter identifier to bypass authorization and read chapter content they should not have access to.
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
Read the original description
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.
cve.now Index
- Exploitation15/40CISA rates a proof of concept as public
- Exposure3/25Reachable over the network · Unknown: No advisory context yet
- Reach?/20Unknown. No tracked technology or package matched
- Severity5.3/10CVSS 5.3
- No patch0/5No signal
What would change the score
- Would score about 63 if added to CISA KEV
- Would score about 58 if CISA's SSVC rates exploitation active
- Would score about 42 if advisories confirm default setups are exposed
What to do
Apply the patch listed under Evidence.
Timeline
- CVE published
- First seen by cve.now
- CISA SSVC assessment
Exploitation: poc · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- xxyopen novel
3.0, 3.1, 3.2, 3.3, 3.4, 3.5.0
- 201206030 novel
3.0, 3.1, 3.2, 3.3, 3.4, 3.5.0
Evidence 6
- Advisory
- Advisory
- Advisory
- Advisory
- Patch
- Exploit
Corrections
None so far.
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Questions about CVE-2026-123677
Is CVE-2026-123677 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. CISA's SSVC assessment notes a proof of concept exists. No public exploit code is tracked.Source: cve.now feed data
Which versions are affected by CVE-2026-123677?
novel: versions 3.0, 3.1, 3.2, 3.3, 3.4 and 1 more. novel: versions 3.0, 3.1, 3.2, 3.3, 3.4 and 1 more.Source: cve.now feed data