CVE-2026-2997 WisdomGarden｜Tronclass - Insecure Direct Object Reference
Authenticated attackers can manipulate parameters to retrieve course invitation codes and join unauthorized courses in Tronclass.
- 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-2026-2997?
CVE-2026-2997 is a medium-severity missing authorization vulnerability in WisdomGarden Tronclass, published on 23 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Tronclass developed by WisdomGarden has a Insecure Direct Object Reference vulnerability. After obtaining a course ID, authenticated remote attackers to modify a specific parameter to obtain a course invitation code, thereby joining any course.
Weakness: CWE-639
Which versions are affected by CVE-2026-2997?
How do I fix CVE-2026-2997?
No fix has been published for CVE-2026-2997 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-2997 being exploited?
There is no known exploitation of CVE-2026-2997 in the wild and no public exploit code.
Sources
Also known as GHSA-w6qc-qw25-92c3.