ShellCodeX vulnerability brief
MEDIUM
Received
CVE-2026-63238
An authentication bypass vulnerability in Koollab LMS allowed an unauthenticated attacker to take over any account, including administrator accounts, by supplying a valid user UUID without providing primary credentials via the 2FA validation endpoint.
Published 29 Jul 2026, 07:16 UTC
Last modified 29 Jul 2026, 07:16 UTC
01
Attack profile
The conditions required to exploit this vulnerability and its potential impact.
Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None
02
Affected products
Product applicability statements supplied with the NVD record.
NVD has not published structured affected-product data for this record.
03
Weakness classification
CWE categories help security teams group the underlying software weakness.
Weakness classification is still awaiting analysis.
04
Source references
External advisories, patches and technical reports attached to this CVE record.