Vulnerability · Published Feb 23, 2026 · Assigned by twcert
CVE-2026-2997WisdomGarden｜Tronclass - Insecure Direct Object Reference
Medium 5.4
In plain English
A medium-severity authorization bypass via user-controlled key in Tronclass from WisdomGarden. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.2%top 89.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| WisdomGarden | Tronclass | 0 – through 1.74 |
Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
References
- https://www.twcert.org.tw/tw/cp-132-10720-ecdfd-1.html third-party-advisory
- https://www.twcert.org.tw/en/cp-139-10721-276b6-2.html third-party-advisory