Medium severity · published Apr 10, 2026
CVE-2026-33705
Chamilo LMS has unauthenticated access to Twig template source files exposes application logic
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
Chamilo LMS is a learning management system. Prior to 1.11.38, Twig template files (.tpl) under /main/template/default/ are directly accessible without authentication via HTTP GET requests. These templates expose internal application logic, variable names, AJAX endpoint URLs, and admin panel structure. This vulnerability is fixed in 1.11.38.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
chamilo-lms · chamilo
< 1.11.38 · source: vendor
CL
Chamilo Lms · Chamilo
before 1.11.38 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-33705
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-33705
Patch
https://github.com/chamilo/chamilo-lms/commit/4efb5ee8ed849ca147ca1fe7472ef7b98db17bff
Vendor Advisory
https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-5wjg-8x28-px57
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