Critical severity9.9NVD Advisory· Published Jul 29, 2026· Updated Jul 30, 2026
CVE-2026-63234
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1Patches
Vulnerability mechanics
References
1News mentions
1- Koollab LMS: 14 Vulnerabilities Disclosed, Featuring Critical SQL Injection and Code Execution FlawsVypr Intelligence · Jul 29, 2026