CVE-2026-63239

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

Score

CVSS 3.1 5.4 Medium

Status

Deferred - 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4

Published

2026-07-29

Last modified

2026-10-23

Weaknesses

CWE-798

Affected products

• Koollab Lms (Three Learning)

References

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