What is the CVSS score of CVE-2026-2997?

CVE-2026-2997 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

How to fix or mitigate CVE-2026-2997?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

CVE-2026-2997

MEDIUM

Authorization Bypass Through User-Controlled Key (CWE-639)

2026-02-23 twcert@cert.org.tw

Authentication Bypass

5.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.4 MEDIUM

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

CVE Published

Feb 23, 2026 - 03:15 nvd

MEDIUM 5.4

DescriptionCVE.org

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.

AnalysisAI

Tronclass by WisdomGarden contains an insecure direct object reference flaw that allows authenticated attackers to bypass access controls and obtain course invitation codes by manipulating course ID parameters. An attacker exploiting this vulnerability can enroll in arbitrary courses without authorization. No patch is currently available for this medium-severity issue.

Technical ContextAI

Classified as CWE-639 (Authorization Bypass Through User-Controlled Key). 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.