CVE-2026-63235

LOW
INFO Priority: 0.01 BB Relevance: 57/100
Published: 2026-07-29 Modified: 2026-10-23 First seen: 2026-10-29 Status: active

Attack Surface

Network No Auth No Interaction

CVSS Vector Breakdown

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

Description

An improper access control vulnerability in Koollab LMS allowed an unauthenticated attacker to forcibly terminate the session of any user given their email address via the login kickout endpoint, resulting in a denial of service.

Weakness Classification (1)

Bug Bounty Relevance

57 / 100
✓ Network accessible
✓ No authentication
✓ No user interaction

CVSS Score

3.7 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS — Exploitation Probability

0.31%
Raw Score 0.003120
Percentile 24.1%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00312
2026-10-28
0.00312

Intelligence Sources

nvd ref →