{"id":"CVE-2026-63234","aliases":["EUVD-2026-50129","GHSA-4q7v-f574-m5cv"],"status":"published","title":"SQL injection and unsafe deserialisation vulnerability","description":"A SQL injection and unsafe deserialisation\nvulnerability in Koollab LMS allowed an authenticated attacker to inject through the manual mark\nassessment endpoint, control data passed to unserialize(), write a webshell to\na publicly accessible location, and execute arbitrary code on the server.","severity":{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.0053,"percentile":0.45292,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-89"],"published":"2026-07-29T06:22:01Z","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-2026-63234"},{"url":"https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094"},{"url":"https://github.com/advisories/GHSA-4q7v-f574-m5cv"}],"sources":{"cve":[{"id":"CVE-2026-63234","title":"SQL injection and unsafe deserialisation vulnerability","description":"A SQL injection and unsafe deserialisation\nvulnerability in Koollab LMS allowed an authenticated attacker to inject through the manual mark\nassessment endpoint, control data passed to unserialize(), write a webshell to\na publicly accessible location, and execute arbitrary code on the server.","status":"published","published":"2026-07-29T06:22:01.996Z","modified":"2026-07-29T15:22:51.961Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-89"],"updated_at":"2026-11-02T14:19:55.914391Z"}],"euvd":[{"id":"EUVD-2026-50129","description":"A SQL injection and unsafe deserialisation\nvulnerability in Koollab LMS allowed an authenticated attacker to inject through the manual mark\nassessment endpoint, control data passed to unserialize(), write a webshell to\na publicly accessible location, and execute arbitrary code on the server.","status":"published","published":"2026-07-29T06:22:01Z","modified":"2026-07-29T15:22:51Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:02:29.807737Z"}],"ghsa":[{"id":"GHSA-4q7v-f574-m5cv","title":"A SQL injection and unsafe deserialisation\nvulnerability in Koollab LMS allowed an authenticated...","description":"A SQL injection and unsafe deserialisation\nvulnerability in Koollab LMS allowed an authenticated attacker to inject through the manual mark\nassessment endpoint, control data passed to unserialize(), write a webshell to\na publicly accessible location, and execute arbitrary code on the server.","status":"published","published":"2026-07-29T09:31:27Z","modified":"2026-07-29T18:31:38Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-89"],"updated_at":"2026-11-02T15:09:54.335538Z"}],"nvd":[{"id":"CVE-2026-63234","description":"A SQL injection and unsafe deserialisation\nvulnerability in Koollab LMS allowed an authenticated attacker to inject through the manual mark\nassessment endpoint, control data passed to unserialize(), write a webshell to\na publicly accessible location, and execute arbitrary code on the server.","status":"published","published":"2026-07-29T07:16:42.817Z","modified":"2026-10-23T23:10:00.157Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-89"],"updated_at":"2026-11-02T14:12:33.629616Z"}]}}