{"cve":{"cve_id":"CVE-2026-33737","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.0022,"epss_percentile":0.12264,"epss_as_of":"2026-06-23","description":"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.","published_at":"2026-04-10T19:05:08.873000Z","last_modified_at":null,"cvss_v3_score":5.3,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","cvss_v3_severity":"MEDIUM","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-611"],"nvd_references":["https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-c4ww-qgf2-v89j","https://github.com/chamilo/chamilo-lms/commit/22b1cb1c609b643765c88654155aba27070c927e","https://github.com/chamilo/chamilo-lms/commit/af6b7002af7c15825e98fc522e2ead0d00cacaa3"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:29:55.932242Z"},"effective_severity":"MEDIUM","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"H","value_label":"High"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"N","value_label":"None"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"chamilo","vendor_name":"chamilo","product_slug":"chamilo-lms","product_name":"chamilo-lms","version_start":"< 1.11.38","version_start_inclusive":true,"version_end":"< 1.11.38","version_end_inclusive":true,"cpe23_uri":"cve5:chamilo:chamilo-lms:< 1.11.38:< 1.11.38"},{"vendor_slug":"chamilo","vendor_name":"chamilo","product_slug":"chamilo-lms","product_name":"chamilo-lms","version_start":">= 2.0.0-alpha.1, < 2.0.0-RC.3","version_start_inclusive":true,"version_end":">= 2.0.0-alpha.1, < 2.0.0-RC.3","version_end_inclusive":true,"cpe23_uri":"cve5:chamilo:chamilo-lms:>= 2.0.0-alpha.1, < 2.0.0-RC.3:>= 2.0.0-alpha.1, < 2.0.0-RC.3"}],"exploit_refs":[],"news":[],"references":[{"url":"https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-c4ww-qgf2-v89j","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://github.com/chamilo/chamilo-lms/commit/22b1cb1c609b643765c88654155aba27070c927e","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/chamilo/chamilo-lms/commit/af6b7002af7c15825e98fc522e2ead0d00cacaa3","source_type":"PATCH","tags":["patch"]}],"timeline":[{"type":"published","at":"2026-04-10T19:05:08.873000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:53:20.032350Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:53:20.032350Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:53:20.032350Z","label":"CVSS score revised","source":"cvelistv5"}]}