Hard-coded AWS IAM credentials vulnerability

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-63239
StatePUBLISHED
AssignerCSA
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-29 07:16:43 UTC
Updated2026-07-30 16:54:05 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v3.1 5.4 MEDIUM from 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.001220000 probability, percentile 0.023160000 (date 2026-07-31)

Problem Types: CWE-798 | CWE-798 CWE-798 Use of Hard-coded Credentials

VersionSourceTypeScoreSeverityVector
3.15f57b9bf-260d-4433-bf07-b6a79e9bb7d4Secondary5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
3.1CNACVSS5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Three Learning Koollab LMS affected 5.3.2 Not specified

References

ReferenceSourceLinkTags
www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4 www.csa.gov.sg
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