CVE-2026-2997 PUBLISHED

WisdomGarden｜Tronclass - Insecure Direct Object Reference

Assigner: twcert
Reserved: 23.02.2026 Published: 23.02.2026 Updated: 23.02.2026

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.

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CVSS Score: 5.4

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	Low	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:H/SI:H/SA:H
CVSS Score: 6.5

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	High
Attack Complexity	Low	Integrity	Low	Integrity	High
Attack Requirements	None	Availability	None	Availability	High
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	WisdomGarden
Product	Tronclass
Versions	Default: unaffected affected from 0 to 1.74 (incl.)

Solutions

Update to version 1.77 or later.

References

Problem Types

CWE-639 Authorization Bypass Through User-Controlled Key CWE

Impacts

CAPEC-21 Exploitation of Trusted Identifiers