High severity · published Jul 20, 2026
CVE-2026-34239
Chamilo Authenticated Remote Code Execution
7.5
CVSS
0.5%
EPSS
No
On KEV
Description
Chamilo version 1.11.40 and earlier are vulnerable to authenticated remote code execution in the main/inc/ajax/lang.ajax.php path. This endpoint is protected only by `api_protect_course_script(true)`, which means any authenticated user enrolled in a course (student, teacher, DRH) can reach it.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
chamilo-lms · chamilo
<= 1.11.40 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-34239
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-34239
github.com
https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-4hwq-pv7c-3928
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