EUVD-2026-50128
GHSA-x5f8-9c9r-5w63
Severity by source
AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Primary rating from Vendor (CSA) · only source for this CVE.
CVSS VectorVendor: CSA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
A SQL injection and unsafe deserialisation vulnerability in Koollab LMS allowed an authenticated attacker to inject through the assessment overall answer endpoint, control data passed to unserialize(), write a webshell to a publicly accessible location, and execute arbitrary code on the server.
AnalysisAI
Remote code execution in Koollab LMS allows authenticated attackers to chain SQL injection with unsafe deserialization, ultimately executing arbitrary commands on the server. The vulnerability is reachable via the assessment overall answer endpoint and permits writing a webshell to a publicly accessible location. …
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External POC / Exploit Code
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