VDB-341698 · Submit #731510 · CVE-2026-1106

Chamilo LMS up to 2.0.0 Beta 1 Legal Consent SocialController.php deleteLegal userId improper authorization

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Chamilo LMS up to 2.0.0 Beta 1. Impacted is the function deleteLegal of the file src/CoreBundle/Controller/SocialController.php of the component Legal Consent Handler. Executing a manipulation of the argument userId can lead to improper authorization. This vulnerability appears as CVE-2026-1106. The attack may be performed from remote. In addition, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability has been found in Chamilo LMS up to 2.0.0 Beta 1 and classified as critical. This vulnerability affects the function deleteLegal of the file src/CoreBundle/Controller/SocialController.php of the component Legal Consent Handler. The manipulation of the argument userId with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect integrity, and availability.

The advisory is available at note-hxlab.wetolink.com. This vulnerability was named CVE-2026-1106. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known. This vulnerability is assigned to T1548.002 by the MITRE ATT&CK project.

It is possible to download the exploit at note-hxlab.wetolink.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. By approaching the search of inurl:src/CoreBundle/Controller/SocialController.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at CNNVD (CNNVD-202601-2972) and EUVD (EUVD-2026-3191). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Content Management System

Vendor

Chamilo

Name

Version

2.0.0 Beta 1

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.4
VulDB Temp Score: 4.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.4
CNA Vector: 🔒

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Google Hack: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/17/2026 Advisory disclosed
01/17/2026 +0 days VulDB entry created
01/19/2026 +2 days VulDB entry last update

Sourcesinfo

Advisory: note-hxlab.wetolink.com
Status: Not defined

CVE: CVE-2026-1106 (🔒)
GCVE (CVE): GCVE-0-2026-1106
GCVE (VulDB): GCVE-100-341698
EUVD: 🔒
CNNVD: CNNVD-202601-2972 - Chamilo LMS 授权问题漏洞

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/17/2026 09:42
Updated: 01/19/2026 17:48
Changes: 01/17/2026 09:42 (59), 01/18/2026 02:24 (30), 01/19/2026 01:48 (1), 01/19/2026 17:48 (6)
Complete: 🔍
Submitter: angelkate
Cache ID: 216::103

Submitinfo

Accepted

Submit #731510: Chamilo LMS <= v2.0.0 Beta 1 SocialController IDOR - Legal Consent Data Manipulat (by angelkate)

If you want to get best quality of vulnerability data, you may have to visit VulDB.