Dashboard / CVE-2026-63238

CVE-2026-63238

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 63/100
Published: 2026-07-29 Modified: 2026-10-23 First seen: 2026-10-29 Status: active

Attack Surface

Network No Auth No Interaction Conf. Impact

CVSS Vector Breakdown

AV: Network
AC: High
PR: None
UI: None
S: Unchanged
C: High
I: Low
A: None

Description

An authentication bypass vulnerability in Koollab LMS allowed an unauthenticated attacker to take over any account, including administrator accounts, by supplying a valid user UUID without providing primary credentials via the 2FA validation endpoint.

Weakness Classification (1)

References & Advisories (1)

Bug Bounty Relevance

63 / 100
✓ Network accessible
✓ No authentication
✓ No user interaction

CVSS Score

6.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

EPSS — Exploitation Probability

0.34%
Raw Score 0.003410
Percentile 27.5%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00341
2026-10-28
0.00341

Intelligence Sources

nvd ref →

External Links