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CVE-2026-114388— Chamilo LMS 2.0.0-alpha.1 before 2.0.0-RC.3 Missing Authorization via GradebookController

Quick assessment

Affected
chamilo chamilo-lms
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Chamilo LMS 2.0.0 的预发布版本（从 2.0.0-alpha.1 至 2.0.0-RC.3 之前）在 GradebookController 中存在缺失访问控制的漏洞，允许未认证用户修改成绩册证书。攻击者可以针对任意课程 ID 和文档 ID 请求 set_default_certificate 端点，从而篡改任意课程的证书配置。

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-114388

Vulnerability Information
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Vulnerability Title
Chamilo LMS 2.0.0-alpha.1 before 2.0.0-RC.3 Missing Authorization via GradebookController
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
chamilo chamilo-lms 2.0.0-alpha.1 ~ 2.0.0-RC.3 -

II. Public POCs for CVE-2026-114388

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III. Intelligence Information for CVE-2026-114388

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Other References for CVE-2026-114388 (4)

Same Patch Batch · chamilo · 2026-10-21 · 3 CVEs total

CVE-2026-114390 5.3 MEDIUM Chamilo LMS 2.0.0-alpha.1 before 2.0.0-RC.3 Missing Authorization in AJAX Handlers
CVE-2026-114389 4.3 MEDIUM Chamilo LMS 2.0.0-alpha.4 before 2.0.0-RC.3 Missing Authorization via openAnswerGrade

IV. Related Vulnerabilities

Same product: chamilo-lms
Same vendor: chamilo
Same weakness: CWE-862

V. Comments for CVE-2026-114388

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