Is this vulnerability remotely exploitable?

It can be, if the cron script or its functionality can be triggered remotely and the parameters it relies on are influenced by remote input. If the script is only callable in tightly controlled internal contexts, the risk of remote exploitation is reduced but not eliminated.

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

An attacker generally needs the ability to affect the data or parameters that the script passes into OS commands, and a way to cause the script to run. This could be through authenticated application features, misconfigured cron endpoints, or other indirect input paths.

What is the safest general fix pattern for this vulnerability?

The most robust fix is to remove shell execution entirely from the language-checking flow and rely on native PHP libraries or safe subprocess APIs. If external tools must be used, commands should be hardcoded, arguments strictly validated against allowlists, and no raw string concatenation into shell commands should occur.

Severity:

HIGH RISK

(7.2)

OS Command Injection (CWE-78) in Chamilo Cron Language Check Script

CVE-2025-50194

Published:

Mar 2, 2026

Status:

Analyzed

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-78

CRITICAL RISK

CRITICAL

(9.9)

Command Injection in MCP Stdio Configuration Validation (CWE-78) in WeKnora

Remote Code Execution

March 7, 2026

CWE-89

CRITICAL RISK

CRITICAL

(9.9)

SQL Injection via PostgreSQL Array/Row Expressions (CWE-89) in WeKnora Query Engine

Remote Code Execution via SQL Injection on the Database Server

March 7, 2026

Vulnerability Type

Category:

OS Command Injection

CWE:

CWE-78

Impact:

Remote Code Execution via OS Command Injection

Severity:

HIGH RISK

(7.2)

CVSS Version:

3.1

Vulnerability Type

Category:

OS Command Injection

CWE:

CWE-78

Impact:

Remote Code Execution via OS Command Injection

Severity:

HIGH RISK

(7.2)

CVSS Version:

3.1

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OS Command Injection (CWE-78) in Chamilo Cron Language Check Script

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

(9.9)

Command Injection in MCP Stdio Configuration Validation (CWE-78) in WeKnora

CRITICAL RISK

CRITICAL

(9.9)

SQL Injection via PostgreSQL Array/Row Expressions (CWE-89) in WeKnora Query Engine

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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