Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, multiple files use simplexml_load_string() without XXE protection. With LIBXML_NOENT flag, arbitrary server files can be read. This vulnerability is fixed in 1.11.38 and 2.0.0-RC.3.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-611"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33737.json"
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "1.11.38"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "22b1cb1c609b643765c88654155aba27070c927e"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "af6b7002af7c15825e98fc522e2ead0d00cacaa3"
}
],
"source": "REFERENCES_COMMIT"
}
]
}