Dashboard / CVE-2026-31940

CVE-2026-31940

HIGH
MEDIUM Priority: 0.02 BB Relevance: 68/100
Published: 2026-04-10 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth Conf. Impact Integ. Impact

CVSS Vector Breakdown

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

Description

Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, in main/lp/aicc_hacp.php, user-controlled request parameters are directly used to set the PHP session ID before loading global bootstrap. This leads to session fixation. This vulnerability is fixed in 1.11.38 and 2.0.0-RC.3.

Weakness Classification (1)

Affected Software (11)

VendorProductVersion
chamilo chamilo_lms < 1.11.38
chamilo chamilo_lms 2.0.0
chamilo chamilo_lms 2.0.0
chamilo chamilo_lms 2.0.0
chamilo chamilo_lms 2.0.0
chamilo chamilo_lms 2.0.0
chamilo chamilo_lms 2.0.0
chamilo chamilo_lms 2.0.0
chamilo chamilo_lms 2.0.0
chamilo chamilo_lms 2.0.0
chamilo chamilo_lms 2.0.0

References & Advisories (3)

Bug Bounty Relevance

68 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

8.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.24%
Raw Score 0.002400
Percentile 15.2%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00240
2026-10-28
0.00240

Intelligence Sources

nvd ref →

External Links