What is GHSA-4fpv-9r28-747f?

GHSA-4fpv-9r28-747f is a security advisory published by GitHub Security Advisories with Medium severity. A hard-coded AWS IAM credentials vulnerability in Koollab LMS allowed an attacker to access...

Which CVE IDs does GHSA-4fpv-9r28-747f cover?

GHSA-4fpv-9r28-747f covers the following CVE IDs: CVE-2026-63239. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4fpv-9r28-747f?

GHSA-4fpv-9r28-747f has a CVSS v3 base score of 5.4, published by GitHub Security Advisories.

GHSA-4fpv-9r28-747fMediumCVSS 5.4

A hard-coded AWS IAM credentials vulnerability in Koollab LMS allowed an attacker to access...

Vendor

GitHub Security Advisories

Published

July 29, 2026

Last Modified

July 29, 2026

🔗 CVE IDs covered (1)

CVE-2026-63239 →

📋 Description

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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-63239
https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094
https://github.com/advisories/GHSA-4fpv-9r28-747f