ByteOS Network

NVD Vulnerability Details :

CVE-2026-63238

Deferred

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

Published At-29 Jul, 2026 | 07:16

Updated At-30 Jul, 2026 | 16:54

An authentication bypass vulnerability in Koollab LMS allowed an unauthenticated attacker to take over any account, including administrator accounts, by supplying a valid user UUID without providing primary credentials via the 2FA validation endpoint.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	3.1	6.5	MEDIUM	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
			N/A

Type: Secondary

Version: 3.1

Base score: 6.5

Base severity: MEDIUM

Vector:

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

Type: N/A

Version:

Base score:

Base severity: N/A

Vector:

Weaknesses

CWE ID	Type	Source
CWE-287	Secondary	134c704f-9b21-4f2e-91b3-4a467353bcc0

CWE ID: CWE-287

Type: Secondary

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

References

Hyperlink	Source	Resource
https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094/	5f57b9bf-260d-4433-bf07-b6a79e9bb7d4	N/A

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

Source: 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4

Resource: N/A

CISA Catalog

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CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

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Change History