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CVE-2026-32930— Chamilo LMS has an IDOR in Gradebook Allows Cross-Course Evaluation Edit Without Ownership Check

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是Chamilo开源的一套开源的在线学习和协作系统。该系统支持创建教学内容、远程培训和在线答题等。 Chamilo LMS 1.11.38之前版本和2.0.0-RC.3之前版本存在安全漏洞，该漏洞源于成绩簿评估编辑页面缺少所有权或课程范围验证，可能导致不安全的直接对象引用攻击。

CVSS 7.1 · High EPSS 0.19% · P9

Possible ATT&CK Techniques 1 AI

T1115 · Clipboard Data
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I. Basic Information for CVE-2026-32930

Vulnerability Information
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Vulnerability Title
Chamilo LMS has an IDOR in Gradebook Allows Cross-Course Evaluation Edit Without Ownership Check
Source: CVE Program / CVE List V5
Vulnerability Description
Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, an Insecure Direct Object Reference (IDOR) vulnerability in the gradebook evaluation edit page allows any authenticated teacher to view and modify the settings (name, max score, weight) of evaluations belonging to any other course by manipulating the editeval GET parameter. This vulnerability is fixed in 1.11.38 and 2.0.0-RC.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
Chamilo LMS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Chamilo LMS是Chamilo开源的一套开源的在线学习和协作系统。该系统支持创建教学内容、远程培训和在线答题等。 Chamilo LMS 1.11.38之前版本和2.0.0-RC.3之前版本存在安全漏洞，该漏洞源于成绩簿评估编辑页面缺少所有权或课程范围验证，可能导致不安全的直接对象引用攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
chamilo chamilo-lms < 1.11.38 -

II. Public POCs for CVE-2026-32930

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III. Intelligence Information for CVE-2026-32930

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Patches & Fixes for CVE-2026-32930 (2)

Vendor Advisories for CVE-2026-32930 (1)

Same Patch Batch · chamilo · 2026-04-10 · 23 CVEs total

CVE-2026-33707 9.4 CRITICAL Weak Password Recovery Mechanism for Forgotten Password in chamilo/chamilo-lms
CVE-2026-32892 9.1 CRITICAL OS Command Injection in Chamilo LMS 1.11.36
CVE-2026-33618 8.8 HIGH Chamilo LMS Affected by Remote Code Execution via eval() in Platform Settings
CVE-2026-31939 8.3 HIGH Path Traversal (Arbitrary File Delete) in Chamilo LMS
CVE-2026-31941 7.7 HIGH Server-Side Request Forgery (SSRF) in Chamilo LMS
CVE-2026-32931 7.5 HIGH Chamilo LMS has Arbitrary File Upload via MIME-Only Validation in Exercise Sound Upload Le
CVE-2026-31940 7.5 HIGH Session Fixation in Chamilo LMS
CVE-2026-33710 7.5 HIGH Chamilo LMS has Weak REST API Key Generation (Predictable)
CVE-2026-32894 7.1 HIGH Chamilo LMS has an IDOR in Gradebook Allows Cross-Course Deletion of Any Student's Grade R
CVE-2026-33706 7.1 HIGH Chamilo LMS has a REST API Self-Privilege Escalation (Student → Teacher)
CVE-2026-33704 7.1 HIGH Chamilo LMS Affected by Authenticated Arbitrary File Write via BigUpload endpoint
CVE-2026-33702 7.1 HIGH Chamilo LMS has an Insecure Direct Object Reference (IDOR)
CVE-2026-33708 6.5 MEDIUM Chamilo LMS has REST API PII Exposure via get_user_info_from_username
CVE-2026-33141 6.5 MEDIUM Chamilo LMS has an IDOR in REST API Stats Endpoint Exposes Any User's Learning Data
CVE-2026-33736 6.5 MEDIUM Chamilo LMS has an Insecure Direct Object Reference (IDOR) - User Data Exposure
CVE-2026-32893 5.4 MEDIUM Chamilo LMS has Reflected XSS via Unsanitized http_build_query() in Exercise Question List
CVE-2026-33705 5.3 MEDIUM Chamilo LMS has unauthenticated access to Twig template source files exposes application l
CVE-2026-33737 5.3 MEDIUM Chamilo LMS has an XML External Entity (XXE) Injection
CVE-2026-32932 4.7 MEDIUM Chamilo LMS has an Open Redirect via Unvalidated 'page' Parameter in Session Course Edit
CVE-2025-66447 Chamilo LMS has validation-less redirect on login page

Showing top 20 of 23 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: chamilo-lms
Same vendor: chamilo
Same weakness: CWE-639

V. Comments for CVE-2026-32930

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