How to fix CVE-2025-50199?

Within 24 hours: Identify all Chamilo installations and verify versions; isolate affected systems from sensitive internal networks if version is below 1.11.30. Within 7 days: Implement WAF rules to block POST requests to /index.php with openid_url parameters; enable request logging and review for suspicious activity. Within 30 days: Monitor vendor for patch availability and apply immediately upon release; conduct forensic review of access logs for evidence of exploitation.

Is PHP affected by CVE-2025-50199?

A critical server-side request forgery (SSRF) vulnerability affects Chamilo learning management systems prior to version 1.11.30, allowing attackers to bypass network controls and access internal resources.

CVE-2025-50199

CRITICAL

2026-03-02 [email protected]

9.1

CVSS 3.1

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

PoC Detected

Mar 03, 2026 - 18:47 vuln.today

Public exploit code

CVE Published

Mar 02, 2026 - 16:16 nvd

CRITICAL 9.1

Description

Chamilo is a learning management system. Prior to version 1.11.30, there is a blind SSRF vulnerability in /index.php via the POST openid_url parameter. This issue has been patched in version 1.11.30.

Analysis

Chamilo LMS prior to 1.11.30 has a blind SSRF vulnerability enabling internal network reconnaissance from the learning platform.

Technical Context

Chamilo < 1.11.30 has a CWE-918 blind SSRF that allows attackers to make the LMS server send requests to internal network resources.

Affected Products

['Chamilo LMS < 1.11.30']

Remediation

Update Chamilo.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.1

CVSS: +46

POC: +20

CVE-2025-50199 vulnerability details – vuln.today

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CVE-2025-50199

CVSS Vector

Lifecycle Timeline

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Description

Analysis

Technical Context

Affected Products

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CVE-2025-50199

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

Share

External POC / Exploit Code