CVE-2026-32931
HIGHChamilo LMS has Arbitrary File Upload via MIME-Only Validation in Exercise Sound Upload Leads to RCE
Title source: cnaDescription
Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, an unrestricted file upload vulnerability in the exercise sound upload function allows an authenticated teacher to upload a PHP webshell by spoofing the Content-Type header to audio/mpeg. The uploaded file retains its original .php extension and is placed in a web-accessible directory, enabling Remote Code Execution as the web server user (www-data). This vulnerability is fixed in 1.11.38 and 2.0.0-RC.3.
References (3)
Core 3
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-863j-h6pf-3xhx
X_Refsource_Misc x_refsource_misc
https://github.com/chamilo/chamilo-lms/commit/8cbe660de267f2b6ed625433bdfcf38dee8752b4
X_Refsource_Misc x_refsource_misc
https://github.com/chamilo/chamilo-lms/commit/d5ef5153df3d1b2de112cbeb190cdd10bea457f3
Scores
CVSS v3
7.5
EPSS
0.0050
EPSS Percentile
38.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-434
Status
published
Products (4)
chamilo/chamilo-lms
< 1.11.38
chamilo/chamilo-lms
>= 2.0.0-alpha.1, < 2.0.0-RC.3
chamilo/chamilo_lms
2.0.0 alpha1 (10 CPE variants)
chamilo/chamilo_lms
< 1.11.38
Published
Apr 10, 2026
Tracked Since
Apr 11, 2026