CVE-2026-63237

Published: Lug 29, 2026 Last Modified: Lug 29, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 4,8
Source: 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4
Attack Vector: network
Attack Complexity: high
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: low
Integrity: low
Availability: none

Description

AI Translation Available

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.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0018
Percentile
0,1th
Updated

Single Data Point

Only one EPSS measurement is available for this CVE. Trend analysis requires multiple data points over time.

347

Improper Verification of Cryptographic Signature

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Access Control Integrity Confidentiality
Potential Impacts:
Gain Privileges Or Assume Identity Modify Application Data Execute Unauthorized Code Or Commands
Applicable Platforms
All platforms may be affected
View CWE Details
https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026…
https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094/