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Vulnerability record · CVE-2026-33698 · published 10 April 2026

CVE-2026-33698: Chamilo lms vulnerability

Chamilo · Chamilo Lms

Chamilo LMS is a learning management system. Prior to 1.11.38, a chained attack can enable otherwise-blocked PHP code from the main/install/ directory and allow an unauthenticated attacker to modify existing files or create new files where allowed by system permissions. This only affects portals with the main/install/ directory still present and read-accessible. This vulnerability is fixed in 1.11.38.

9.3 CVSS 4.0 Critical EPSS 0.58% · top 54.6% CWE-552 · CWE-552
9.3CVSS 4.0 base score
0.58%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Chamilo LMS is a learning management system. Prior to 1.11.38, a chained attack can enable otherwise-blocked PHP code from the main/install/ directory and allow an unauthenticated attacker to modify existing files or create new files where allowed by system permissions. This only affects portals with the main/install/ directory still present and read-accessible. This vulnerability is fixed in 1.11.38.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/chamilo/chamilo-lms/commit/d3355d7873c7e5b907c5fa84cbd5d9b62ed33e51 Patch
https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-557g-2w66-gpmf Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2026-33707Chamilo lms weak password recovery vulnerabilityChamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, the default password reset mechanism generates tokens using sha1($email…EPSS 0.75%9.8CVE-2025-50187Chamilo lms vulnerabilityChamilo is a learning management system. Prior to version 1.11.28, parameter from SOAP request is evaluated without filtering which leads to Remote C…EPSS 0.88%9.8CVE-2023-34944Chamilo lms unrestricted file upload vulnerabilityAn arbitrary file upload vulnerability in the /fileUpload.lib.php component of Chamilo 1.11.* up to v1.11.18 allows attackers to execute arbitrary co…EPSS 1.1%9.8CVE-2022-27423Chamilo lms sql injection vulnerabilityChamilo LMS v1.11.13 was discovered to contain a SQL injection vulnerability via the blog_id parameter at /blog/blog.php.EPSS 0.99%9.8CVE-2021-35414Chamilo lms sql injection vulnerabilityChamilo LMS v1.11.x was discovered to contain a SQL injection via the doc parameter in main/plagiarism/compilatio/upload.php.EPSS 1.9%9.8CVE-2019-13082Chamilo lms unrestricted file upload vulnerabilityChamilo LMS 1.11.8 and 2.x allows remote code execution through an lp_upload.php unauthenticated file upload feature. It extracts a ZIP archive befor…EPSS 4.0%9.8CVE-2018-1999019Chamilo lms code injection vulnerabilityChamilo LMS version 11.x contains an Unserialization vulnerability in the "hash" GET parameter for the api endpoint located at /webservices/api/v2.ph…EPSS 3.2%9.3CVE-2026-28430Chamilo lms sql injection vulnerabilityChamilo LMS is a learning management system. Prior to version 1.11.34, there is an unauthenticated SQL injection vulnerability which allows remote at…EPSS 0.59%

Source: NIST National Vulnerability Database (record CVE-2026-33698), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.