{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "2.0.0-alpha.1"
                  },
                  {
                    "fixed": "2.0.0-RC.3"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              },
              {
                "range": [
                  {
                    "fixed": "2861afd4896ff898a950302f2c00f44726fa6f0a"
                  }
                ],
                "source": "REFERENCES_COMMIT"
              }
            ]
          },
          "events": [
            {
              "introduced": "7dacdc0bbed7f5d2c6d000c2c062bd4eaa48332b"
            },
            {
              "fixed": "612fdb12acbbff9f956a412d0af76e488d3419d6"
            },
            {
              "fixed": "2861afd4896ff898a950302f2c00f44726fa6f0a"
            }
          ],
          "repo": "https://github.com/chamilo/chamilo-lms",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-862"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/114xxx/CVE-2026-114390.json"
  },
  "details": "Chamilo LMS from 2.0.0-alpha.1 before 2.0.0-RC.3 contains a missing authorization vulnerability in legacy AJAX handlers under public/main/inc/ajax/ that exposes user names and certificates. Unauthenticated or low-privileged users can call actions like get_users_by_group_course, user_by_all_roles, and export_all_certificates to harvest user names and other learners' certificate PDFs.",
  "id": "CVE-2026-114390",
  "modified": "2026-10-22T02:31:03.104890791Z",
  "published": "2026-10-21T12:39:46.695Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/114xxx/CVE-2026-114390.json"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/chamilo/chamilo-lms"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/chamilo/chamilo-lms/blob/v2.0.0-RC.2/public/main/inc/ajax/course.ajax.php#L350-L426"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/chamilo/chamilo-lms/blob/v2.0.0-RC.2/public/main/inc/ajax/gradebook.ajax.php#L58-L99"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/chamilo/chamilo-lms/blob/v2.0.0-RC.2/public/main/inc/ajax/usergroup.ajax.php#L17-L50"
    },
    {
      "type": "FIX",
      "url": "https://github.com/chamilo/chamilo-lms/commit/2861afd4896ff898a950302f2c00f44726fa6f0a"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/chamilo/chamilo-lms/issues/7671"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/chamilo/chamilo-lms/releases/tag/v2.0.0-RC.3"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-114390"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/chamilo-lms-2.0.0-alpha.1-before-2.0.0-rc.3-missing-authorization-in-ajax-handlers"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Chamilo LMS 2.0.0-alpha.1 before 2.0.0-RC.3 Missing Authorization in AJAX Handlers"
}