CVE-2026-63240

Information disclosure vulnerability

Medium · published July 29, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
21.0
In the wild
Unconfirmed
What it is

An information disclosure vulnerability in Koollab LMS allowed an authenticated learner

to obtain correct quiz answers from the course status endpoint without

completing the assessment legitimately, compromising the integrity of

assessments.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00295 · 21.0th percentile
Published
2026-07-29T06:29Z
EPSS history
Timeline
  • 29 JUL 06:29Z
    Information disclosure vulnerability
    cvelistv5