{"id":"CVE-2026-63240","aliases":["EUVD-2026-50135","GHSA-9ch9-66pf-cjcf"],"status":"published","title":"Information disclosure vulnerability","description":"An information disclosure vulnerability in Koollab LMS allowed an authenticated learner\nto obtain correct quiz answers from the course status endpoint without\ncompleting the assessment legitimately, compromising the integrity of\nassessments.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00295,"percentile":0.22284,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2026-07-29T06:29:53Z","modified":"2026-10-23T23:10:00Z","products":[{"vendor":"an unrestricted scorm file upload vulnerability in koollab lms allowed an authenticated module designer to upload a scorm package containing a php webshell to a publicly accessible directory and execute arbitrary code on the server.","product":"koollab lms"},{"vendor":"three learning","product":"koollab lms"}],"references":[{"url":"https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63240"},{"url":"https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094"},{"url":"https://github.com/advisories/GHSA-9ch9-66pf-cjcf"}],"sources":{"cve":[{"id":"CVE-2026-63240","title":"Information disclosure vulnerability","description":"An information disclosure vulnerability in Koollab LMS allowed an authenticated learner\nto obtain correct quiz answers from the course status endpoint without\ncompleting the assessment legitimately, compromising the integrity of\nassessments.","status":"published","published":"2026-07-29T06:29:53.671Z","modified":"2026-07-29T14:22:33.939Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:19:55.914391Z"}],"euvd":[{"id":"EUVD-2026-50135","description":"An information disclosure vulnerability in Koollab LMS allowed an authenticated learner\nto obtain correct quiz answers from the course status endpoint without\ncompleting the assessment legitimately, compromising the integrity of\nassessments.","status":"published","published":"2026-07-29T06:29:53Z","modified":"2026-07-29T14:22:33Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T18:02:30.152277Z"}],"ghsa":[{"id":"GHSA-9ch9-66pf-cjcf","title":"An information disclosure vulnerability in Koollab LMS allowed an authenticated learner\nto obtain...","description":"An information disclosure vulnerability in Koollab LMS allowed an authenticated learner\nto obtain correct quiz answers from the course status endpoint without\ncompleting the assessment legitimately, compromising the integrity of\nassessments.","status":"published","published":"2026-07-29T09:31:28Z","modified":"2026-07-29T15:31:12Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:09:54.335538Z"}],"nvd":[{"id":"CVE-2026-63240","description":"An information disclosure vulnerability in Koollab LMS allowed an authenticated learner\nto obtain correct quiz answers from the course status endpoint without\ncompleting the assessment legitimately, compromising the integrity of\nassessments.","status":"published","published":"2026-07-29T07:16:43.46Z","modified":"2026-10-23T23:10:00.157Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:12:33.629616Z"}]}}