CVE-2026-33708: CWE-862: Missing Authorization in chamilo chamilo-lms
Chamilo LMS versions prior to 1. 11. 38 contain a missing authorization vulnerability in the get_user_info_from_username REST API endpoint. This flaw allows any authenticated user, including students, to retrieve personal information such as email, first name, last name, user ID, and active status of any user without proper authorization checks. The vulnerability is identified as CWE-862 and has a CVSS v3. 1 score of 6. 5, indicating a medium severity impact. The issue is fixed in version 1. 11. 38.
AI Analysis
Technical Summary
Chamilo LMS before version 1.11.38 has a missing authorization vulnerability (CWE-862) in its get_user_info_from_username REST API endpoint. This endpoint returns sensitive personal information of any user to any authenticated user without verifying if the requester is authorized to access that data. The vulnerability allows exposure of email addresses, names, user IDs, and active status, potentially compromising user privacy. The CVSS 3.1 base score is 6.5 (medium severity) with network attack vector, low attack complexity, and requiring privileges but no user interaction. The vulnerability is resolved in Chamilo LMS version 1.11.38.
Potential Impact
Exploitation of this vulnerability allows any authenticated user to access personal information of other users, including email addresses, full names, user IDs, and account active status. This can lead to privacy violations and may facilitate further targeted attacks or social engineering. There is no impact on integrity or availability reported.
Mitigation Recommendations
Upgrade Chamilo LMS to version 1.11.38 or later, where this missing authorization vulnerability has been fixed. Since the vendor advisory confirms the fix in 1.11.38, applying this official update is the recommended remediation. No additional mitigations are specified or required.
CVE-2026-33708: CWE-862: Missing Authorization in chamilo chamilo-lms
Description
Chamilo LMS versions prior to 1. 11. 38 contain a missing authorization vulnerability in the get_user_info_from_username REST API endpoint. This flaw allows any authenticated user, including students, to retrieve personal information such as email, first name, last name, user ID, and active status of any user without proper authorization checks. The vulnerability is identified as CWE-862 and has a CVSS v3. 1 score of 6. 5, indicating a medium severity impact. The issue is fixed in version 1. 11. 38.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Chamilo LMS before version 1.11.38 has a missing authorization vulnerability (CWE-862) in its get_user_info_from_username REST API endpoint. This endpoint returns sensitive personal information of any user to any authenticated user without verifying if the requester is authorized to access that data. The vulnerability allows exposure of email addresses, names, user IDs, and active status, potentially compromising user privacy. The CVSS 3.1 base score is 6.5 (medium severity) with network attack vector, low attack complexity, and requiring privileges but no user interaction. The vulnerability is resolved in Chamilo LMS version 1.11.38.
Potential Impact
Exploitation of this vulnerability allows any authenticated user to access personal information of other users, including email addresses, full names, user IDs, and account active status. This can lead to privacy violations and may facilitate further targeted attacks or social engineering. There is no impact on integrity or availability reported.
Mitigation Recommendations
Upgrade Chamilo LMS to version 1.11.38 or later, where this missing authorization vulnerability has been fixed. Since the vendor advisory confirms the fix in 1.11.38, applying this official update is the recommended remediation. No additional mitigations are specified or required.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-03-23T17:06:05.747Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69d94d8f1cc7ad14dae0faec
Added to database: 4/10/2026, 7:20:47 PM
Last enriched: 4/10/2026, 7:36:05 PM
Last updated: 4/10/2026, 9:34:34 PM
Views: 4
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