{"id":"CVE-2026-114389","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-114389","generatedAt":"2026-10-28T03:26:01.079Z","title":"Chamilo LMS from 2.0.0-alpha.4 before 2.0.0-RC.3 contains a missing authorization vulnerability in AiController::openAnswerGrade that allows any authenticated user to obtain AI grading of other students' exam attempts.","description":"Chamilo LMS from 2.0.0-alpha.4 before 2.0.0-RC.3 contains a missing authorization vulnerability in AiController::openAnswerGrade that allows any authenticated user to obtain AI grading of other students' exam attempts. Attackers can enumerate exeId and questionId values sent to the open_answer_grade endpoint to expose other students' answers through feedback and consume AI quota.","published":"2026-10-21T13:18:29.000Z","lastModified":"2026-10-22T17:40:47.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":5.3,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-639"],"affected":[],"epss":{"score":0.00274,"percentile":0.19617,"date":"2026-10-26","history":[{"date":"2026-10-22","score":0.00274,"percentile":0.18755}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.27%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-21T13:18:29.000Z","detail":{"score":"5.3","severity":"MEDIUM","publishedAt":"2026-10-21T13:18:29.227Z"},"summary":"New CVE, medium severity (CVSS 5.3)."}],"references":[{"url":"https://github.com/chamilo/chamilo-lms/blob/v2.0.0-RC.2/src/CoreBundle/Controller/AiController.php#L525-L703","source":"disclosure@vulncheck.com"},{"url":"https://github.com/chamilo/chamilo-lms/commit/2861afd4896ff898a950302f2c00f44726fa6f0a","source":"disclosure@vulncheck.com"},{"url":"https://github.com/chamilo/chamilo-lms/issues/7671","source":"disclosure@vulncheck.com"},{"url":"https://github.com/chamilo/chamilo-lms/releases/tag/v2.0.0-RC.3","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/chamilo-lms-2.0.0-alpha.4-before-2.0.0-rc.3-missing-authorization-via-openanswergrade","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-114389","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}