CVE-2026-63234CWE-89sql-injection

CVE-2026-63234

Critical · published July 29, 2026

CVSS v3.1
9.9
EPSS
1%
Percentile
44.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00530 · 44.0th percentile
Weakness
CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Published
2026-07-29T11:16Z
References (1)
EPSS history
Timeline
  • 29 JUL 06:22Z
    SQL injection and unsafe deserialisation vulnerability
    cvelistv5