{"cve":{"cve_id":"CVE-2026-33702","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":0.00238,"epss_percentile":0.14587,"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, Chamilo LMS contains an Insecure Direct Object Reference (IDOR) vulnerability in the Learning Path progress saving endpoint. The file lp_ajax_save_item.php accepts a uid (user ID) parameter directly from $_REQUEST and uses it to load and modify another user's Learning Path progress — including score, status, completion, and time — without verifying that the requesting user matches the target user ID. Any authenticated user enrolled in a course can overwrite another user's Learning Path progress by simply changing the uid parameter in the request. This vulnerability is fixed in 1.11.38 and 2.0.0-RC.3.","published_at":"2026-04-10T18:15:49.964000Z","last_modified_at":null,"cvss_v3_score":7.1,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L","cvss_v3_severity":"HIGH","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-639"],"nvd_references":["https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-3rv7-9fhx-j654","https://github.com/chamilo/chamilo-lms/commit/6331d051b4468deb5830c01d1e047c5e5cf2c74f","https://github.com/chamilo/chamilo-lms/commit/bf3f6c6949b5c882b48a9914baa19910417e4551"],"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":"2026-06-28T23:29:55.288052Z"},"effective_severity":"HIGH","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":"L","value_label":"Low"},{"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":"N","value_label":"None"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"L","value_label":"Low"}]},"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-3rv7-9fhx-j654","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://github.com/chamilo/chamilo-lms/commit/6331d051b4468deb5830c01d1e047c5e5cf2c74f","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/chamilo/chamilo-lms/commit/bf3f6c6949b5c882b48a9914baa19910417e4551","source_type":"PATCH","tags":["patch"]}],"timeline":[{"type":"published","at":"2026-04-10T18:15:49.964000Z","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"}]}