Auth bypass in Wisdomgarden Tronclass
CVE-2026-2997
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.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (20.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- Wisdomgarden Tronclass — versions 0
Weakness classification (CWE)
References
- www.twcert.org.tw/tw/cp-132-10720-ecdfd-1.html (third-party-advisory)
- www.twcert.org.tw/en/cp-139-10721-276b6-2.html (third-party-advisory)
Frequently asked questions
- What is CVE-2026-2997?
- CVE-2026-2997 is a medium-severity vulnerability in Wisdomgarden Tronclass, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.4/10. Published 2026-02-23.
- How severe is CVE-2026-2997?
- Medium severity. CVSS v3 base score is 5.4 out of 10.