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CVE-2026-63238

6.5 · MEDIUM
Published Jul 29, 2026 CWE-287 EPSS 0.22% (12th pctl)

Overview

CVE-2026-63238 is a medium-severity vulnerability. It was published on July 29, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Frequently Asked Questions

What is CVE-2026-63238?

CVE-2026-63238 is a medium-severity vulnerability. It was published on July 29, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2026-63238?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-63238?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-63238?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-63238 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.