---
id: CVE-2026-114388
title: >-
  Chamilo LMS 2.0.0-alpha.1 before 2.0.0-RC.3 Missing Authorization via
  GradebookController
summary: >-
  Chamilo LMS 2.0.0 pre-releases from 2.0.0-alpha.1 before 2.0.0-RC.3 contain a
  missing access control vulnerability in GradebookController that allows
  unauthenticated users to modify gradebook certificates. Attackers can request
  the set_d…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'
cvssSource: cna
cwe:
  - CWE-862
vendor: chamilo
product: chamilo-lms
affected:
  - chamilo-lms >= 2.0.0-alpha.1 < 2.0.0-RC.3
published: '2026-10-21'
updated: '2026-10-21'
sourceUpdated: '2026-10-21T12:39:45.276Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-114388'
references:
  - url: 'https://github.com/chamilo/chamilo-lms/issues/7671'
  - url: >-
      https://github.com/chamilo/chamilo-lms/commit/2861afd4896ff898a950302f2c00f44726fa6f0a
  - url: 'https://github.com/chamilo/chamilo-lms/releases/tag/v2.0.0-RC.3'
    label: chamilo-lms v2.0.0-RC.3 Release Notes
  - url: >-
      https://github.com/chamilo/chamilo-lms/blob/v2.0.0-RC.2/src/CoreBundle/Controller/GradebookController.php#L52-L78
  - url: >-
      https://www.vulncheck.com/advisories/chamilo-lms-2.0.0-alpha.1-before-2.0.0-rc.3-missing-authorization-via-gradebookcontroller
    label: >-
      VulnCheck Advisory: Chamilo LMS 2.0.0-alpha.1 before 2.0.0-RC.3 Missing
      Authorization via GradebookController
tags:
  - cve.org
ingestedAt: '2026-10-21T12:48:53.658Z'
---

## Overview

Chamilo LMS 2.0.0 pre-releases from 2.0.0-alpha.1 before 2.0.0-RC.3 contain a missing access control vulnerability in GradebookController that allows unauthenticated users to modify gradebook certificates. Attackers can request the set_default_certificate endpoint with any course id and document id to tamper with certificate configuration for any course.

## Affected

- `chamilo-lms >= 2.0.0-alpha.1 < 2.0.0-RC.3`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.