Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-63229

Severity CVSS v4.0:
Pending analysis
Type:
CWE-89 SQL Injection
Publication date:
29/07/2026
Last modified:
30/07/2026

Description

A pre-authentication blind SQL injection<br /> vulnerability in Koollab LMS allowed an unauthenticated attacker to use a time-based SQL oracle via<br /> the SSO OAuth endpoint to read sensitive database contents, including<br /> personally identifiable information, credentials, and valid JWT tokens that may<br /> enable account takeover.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 9.10 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): None

Base Score 3.x
9.10
Severity 3.x
CRITICAL

References to Advisories, Solutions, and Tools