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// CVE · PUBLISHED 2026-07-29

CVE-2026-63234

Three Learning / Koollab LMS

9.9 · CVSS 3.1Critical

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

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This product uses the NVD API but is not endorsed or certified by the NVD. CVSS scores do not establish exploitation.