CVE-2026-90521 jaychouchannel Tourism-Management-System CRUD MenpiaodingdanController.java authorization
Attackers can bypass authorization in the MenpiaodingdanController to access protected CRUD operations remotely.
- 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-2026-90521?
CVE-2026-90521 is a medium-severity authentication bypass vulnerability in jaychouchannel Tourism-Management-System, 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 found in jaychouchannel Tourism-Management-System up to 8122bf020d91199eddfff3ee02d1632a70a9a132. This issue affects some unknown processing of the file MenpiaodingdanController.java of the component CRUD. The manipulation of the argument ID results in authorization bypass. It is possible to launch the attack remotely. The exploit has been made public and could be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The patch is identified as d44ec3aa0bd2a72c8800e3befb0a9a96a6491b86. It is best practice to apply a patch to resolve this issue.
Which versions are affected by CVE-2026-90521?
How do I fix CVE-2026-90521?
No fix has been published for CVE-2026-90521 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-90521 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90521 exists.
Sources
Also known as GHSA-h827-vf5f-hc9f.