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CVE-2026-114390— Chamilo LMS 2.0.0-alpha.1 before 2.0.0-RC.3 Missing Authorization in AJAX Handlers

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 在 2.0.0-alpha.1 至 2.0.0-RC.3（不含）版本中，其位于 public/main/inc/ajax/ 目录下的遗留 AJAX 处理器存在缺少授权验证的漏洞，导致用户名和证书信息被泄露。未认证用户或低权限用户可以调用诸如 get_users_by_group_course、user_by_all_roles 和 export_all_certificates 等动作，从而窃取用户名以及其他学习者的证书 PDF 文件。

CVSS 5.3 · Medium
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I. Basic Information for CVE-2026-114390

Vulnerability Information
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Vulnerability Title
Chamilo LMS 2.0.0-alpha.1 before 2.0.0-RC.3 Missing Authorization in AJAX Handlers
Source: CVE Program / CVE List V5
Vulnerability Description
Chamilo LMS from 2.0.0-alpha.1 before 2.0.0-RC.3 contains a missing authorization vulnerability in legacy AJAX handlers under public/main/inc/ajax/ that exposes user names and certificates. Unauthenticated or low-privileged users can call actions like get_users_by_group_course, user_by_all_roles, and export_all_certificates to harvest user names and other learners' certificate PDFs.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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-2026-114390

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III. Intelligence Information for CVE-2026-114390

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Patches & Fixes for CVE-2026-114390 (1)

Vendor Advisories for CVE-2026-114390 (2)

Vendor Pages for CVE-2026-114390 (2)

Other References for CVE-2026-114390 (1)

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

CVE-2026-114388 5.3 MEDIUM Chamilo LMS 2.0.0-alpha.1 before 2.0.0-RC.3 Missing Authorization via GradebookController
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-2026-114390

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