CVE-2026-33706 | Chamilo LMS up to 1.11.37 update_user_from_username Status privileges management (GHSA-3gqc-xr75-pcpw)

VDB-356930 · CVE-2026-33706 · GHSA-3GQC-XR75-PCPW CHAMILO LMS UP TO 1.11.37 UPDATE_USER_FROM_USERNAME STATUS PRIVILEGES MANAGEMENT HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.5 $0-$5k 1.03+ Summaryinfo A vulnerability classified as critical was found in Chamilo LMS up to 1.11.37. This affects the function update_user_from_username. Such manipulation of the argument Status leads to privileges management. This vulnerability is referenced as CVE-2026-33706. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised. Detailsinfo A vulnerability was found in Chamilo LMS up to 1.11.37. It has been rated as critical. Affected by this issue is the function update_user_from_username. The manipulation of the argument status with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes: Chamilo LMS is a learning management system. Prior to 1.11.38, any authenticated user with a REST API key can modify their own status field via the update_user_from_username endpoint. A student (status=5) can change their status to Teacher/CourseManager (status=1), gaining course creation and management privileges. This vulnerability is fixed in 1.11.38. The advisory is available at github.com. This vulnerability is handled as CVE-2026-33706 since 03/23/2026. The exploitation is known to be easy. The attack may be launched remotely. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1068 by the MITRE ATT&CK project. Upgrading to version 1.11.38 eliminates this vulnerability. Applying the patch 0acf8a196307c66c049f97f5ff76cf21c4a08127 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version. Productinfo Type Content Management System Vendor Chamilo Name LMS Version 1.11.0 1.11.1 1.11.2 1.11.3 1.11.4 1.11.5 1.11.6 1.11.7 1.11.8 1.11.9 1.11.10 1.11.11 1.11.12 1.11.13 1.11.14 1.11.15 1.11.16 1.11.17 1.11.18 1.11.19 1.11.20 1.11.21 1.11.22 1.11.23 1.11.24 1.11.25 1.11.26 1.11.27 1.11.28 1.11.29 1.11.30 1.11.31 1.11.32 1.11.33 1.11.34 1.11.35 1.11.36 1.11.37 License open-source CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.7 VulDB Meta Temp Score: 6.5 VulDB Base Score: 6.3 VulDB Temp Score: 6.0 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 7.1 CNA Vector (GitHub_M): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Privileges management CWE: CWE-269 / CWE-266 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: LMS 1.11.38 Patch: 0acf8a196307c66c049f97f5ff76cf21c4a08127 Timelineinfo 03/23/2026 CVE reserved 04/10/2026 +17 days Advisory disclosed 04/10/2026 +0 days VulDB entry created 04/10/2026 +0 days VulDB entry last update Sourcesinfo Advisory: GHSA-3gqc-xr75-pcpw Status: Confirmed CVE: CVE-2026-33706 (🔒) GCVE (CVE): GCVE-0-2026-33706 GCVE (VulDB): GCVE-100-356930 Entryinfo Created: 04/10/2026 22:30 Changes: 04/10/2026 22:30 (69) Complete: 🔍 Cache ID: 99:C36:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸