CVE-2026-90511 GongShengyue OnlineBooks listSplit BooksServlet.java sql injection
Remote attackers can exploit SQL injection in the listSplit interface to read or modify database contents.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-90511?
CVE-2026-90511 is a medium-severity SQL injection vulnerability in GongShengyue OnlineBooks, published on 13 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was detected in GongShengyue OnlineBooks up to dfc5eacc08d3b0396c266049548618f6fb9587ea. This vulnerability affects unknown code of the file src/cn/ylcto/book/servlet/BooksServlet.java of the component listSplit Interface. The manipulation of the argument column results in sql injection. The attack may be performed from remote. The exploit is now public and may be used. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed.
Which versions are affected by CVE-2026-90511?
How do I fix CVE-2026-90511?
No fix has been published for CVE-2026-90511 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-90511 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90511 exists.
Sources
Also known as GHSA-qc23-8529-4g4m.