Is this vulnerability remotely exploitable over the internet?

Yes, if the Chamilo LMS instance is exposed over the internet and teacher accounts can be obtained or compromised remotely, an attacker can exploit the upload feature via standard HTTP requests. The attack is carried out through authenticated web traffic to the vulnerable upload endpoint.

What level of access does an attacker need to exploit this issue?

The attacker must have valid credentials for at least a teacher-level account (or any role allowed to use the exercise sound upload function). Anonymous users cannot exploit this specific issue if the upload feature is restricted to authenticated teachers.

What is the safest general fix pattern for developers?

The safest pattern is to treat all uploads as untrusted data, enforce a strict allowlist of file extensions and MIME types on the server, and store uploaded content in non-executable directories. Additionally, filenames should be generated server-side, and web server configuration should prevent execution of any user-uploaded files.

Severity:

HIGH RISK

(7.5)

Unrestricted File Upload (CWE-434) in Chamilo LMS Exercise Sound Feature

CVE-2026-32931

Published:

Apr 10, 2026

Status:

Received

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-77;CWE-78

CRITICAL RISK

CRITICAL

(9.8)

OS Command Injection (CWE-78) in Totolink A7100RU CGI Handler setAccessDeviceCfg

Remote Code Execution on the Router

April 12, 2026

CWE-77;CWE-78

CRITICAL RISK

CRITICAL

(9.8)

OS Command Injection (CWE-78) in Totolink A7100RU CGI setLedCfg Handler

Remote Code Execution on the Router

April 12, 2026

Vulnerability Type

Category:

Unrestricted File Upload

CWE:

CWE-434

Impact:

Remote Code Execution as web server user (www-data)

Severity:

HIGH RISK

(7.5)

CVSS Version:

3.1

Vulnerability Type

Category:

Unrestricted File Upload

CWE:

CWE-434

Impact:

Remote Code Execution as web server user (www-data)

Severity:

HIGH RISK

(7.5)

CVSS Version:

3.1

Catch This CVE While Code Is Being Written

Detect vulnerable code directly in pull requests, so CVEs are fixed before merge.

Get Started

Ship clean & secure code faster

START 14 DAYS FREE TRIAL

BOOK A DEMO

Made with Love in San Francisco

355 Bryant St. San Francisco, CA 94107, USA

Ask AI for summary of CodeAnt

Made with Love in San Francisco

355 Bryant St. San Francisco, CA 94107, USA

Ask AI for summary of CodeAnt

Made with Love in San Francisco

355 Bryant St. San Francisco, CA 94107, USA

Ask AI for summary of CodeAnt

Unrestricted File Upload (CWE-434) in Chamilo LMS Exercise Sound Feature

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

CRITICAL RISK

CRITICAL

(9.8)

OS Command Injection (CWE-78) in Totolink A7100RU CGI Handler setAccessDeviceCfg

CRITICAL RISK

CRITICAL

(9.8)

OS Command Injection (CWE-78) in Totolink A7100RU CGI setLedCfg Handler

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

Product

Pricing

Company

Legal

Developers

Compare

Product

Pricing

Company

Legal

Developers

Compare

Product

Pricing

Company

Legal

Developers

Compare