Description
A TOTP two-factor authentication bypass vulnerability in
Koollab LMS allowed an
attacker to supply a client-controlled seed to generate a matching one-time
password and bypass the second authentication factor, potentially enabling
unauthorised access to administrator accounts.
Published: 2026-07-29
Score: 4.8 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 29 Jul 2026 06:45:00 +0000

Type Values Removed Values Added
Description A TOTP two-factor authentication bypass vulnerability in Koollab LMS allowed an attacker to supply a client-controlled seed to generate a matching one-time password and bypass the second authentication factor, potentially enabling unauthorised access to administrator accounts.
Title TOTP two-factor authentication bypass vulnerability
References
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: CSA

Published:

Updated: 2026-07-29T06:25:52.341Z

Reserved: 2026-07-16T02:35:54.249Z

Link: CVE-2026-63237

cve-icon Vulnrichment

No data.

cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses

No weakness.