SQL Injection Vulnerability in GongShengyue OnlineBooks Affects User Data Security
CVE-2026-90511

5.3MEDIUM

Key Information:

Vendor

Gongshengyue

Status
Onlinebooks
Vendor
CVE Published:
13 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-90511?

A vulnerability has been identified in GongShengyue OnlineBooks that allows for SQL injection via the listSplit component's BooksServlet.java file. An attacker can manipulate the argument column leading to unapproved database access, potentially exposing sensitive information. This issue impacts versions of the product up to a specified commit but does not have explicit version disclosures due to the software's rolling release model. As details of the exploit become public, immediate attention is recommended to mitigate potential security risks.

Affected Version(s)

OnlineBooks dfc5eacc08d3b0396c266049548618f6fb9587ea

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-90511 - Proof of Concept

References

https://vuldb.com/vuln/403099
vdb-entrytechnical-description
https://vuldb.com/vuln/403099/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-90511
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

hhhha (VulDB User)
.