CVE-2026-63239

Severity CVSS v4.0:

Pending analysis

Type:

CWE-798 Use of Hard-coded Credentials

Publication date:

29/07/2026

Last modified:

30/07/2026

Description

A hard-coded AWS IAM credentials vulnerability<br /> in Koollab LMS allowed<br /> an attacker to access shared multi-tenant S3 buckets and SQS queues, exposing<br /> sensitive data and enabling malicious content injection, job manipulation, or<br /> email interception.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.40 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

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

Base Score 3.x

5.40

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094/