What is GHSA-4q7v-f574-m5cv?

GHSA-4q7v-f574-m5cv is a security advisory published by GitHub Security Advisories with Critical severity. A SQL injection and unsafe deserialisation vulnerability in Koollab LMS allowed an authenticated...

Which CVE IDs does GHSA-4q7v-f574-m5cv cover?

GHSA-4q7v-f574-m5cv covers the following CVE IDs: CVE-2026-63234. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4q7v-f574-m5cv?

GHSA-4q7v-f574-m5cv has a CVSS v3 base score of 9.9, published by GitHub Security Advisories.

GHSA-4q7v-f574-m5cvCriticalCVSS 9.9

A SQL injection and unsafe deserialisation vulnerability in Koollab LMS allowed an authenticated...

Vendor

GitHub Security Advisories

Published

July 29, 2026

Last Modified

July 29, 2026

🔗 CVE IDs covered (1)

CVE-2026-63234 →

📋 Description

A SQL injection and unsafe deserialisation vulnerability in Koollab LMS allowed an authenticated attacker to inject through the manual mark assessment endpoint, control data passed to unserialize(), write a webshell to a publicly accessible location, and execute arbitrary code on the server.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-63234
https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094
https://github.com/advisories/GHSA-4q7v-f574-m5cv