{"id":"CVE-2026-40008","aliases":["EUVD-2026-42836","GHSA-v4p4-86j5-2f8q"],"status":"published","title":"Apache IoTDB: Arbitrary Class Instantiation via Pipe Transfer RPC","description":"Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Apache IoTDB.\nThe pipe processor reads a fully\nqualified Java class name and\ninstantiates it using Class.forName().newInstance() without any\nvalidation or allowlisting.\n\n\nThis issue affects Apache IoTDB: from 1.0.0 before 2.0.10.\n\nUsers are recommended to upgrade to version 2.0.10, which fixes the issue.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00597,"percentile":0.4909,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-470"],"published":"2026-07-10T07:13:27Z","modified":"2026-10-25T15:10:00Z","products":[{"vendor":"apache software foundation","product":"apache iotdb"}],"references":[{"url":"https://lists.apache.org/thread/fm8cpvzbox2qqy99ztglm8wkk1nrg9ng","tags":["vendor-advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/07/10/5"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40008"},{"url":"https://github.com/advisories/GHSA-v4p4-86j5-2f8q"}],"sources":{"cve":[{"id":"CVE-2026-40008","title":"Apache IoTDB: Arbitrary Class Instantiation via Pipe Transfer RPC","description":"Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Apache IoTDB.\nThe pipe processor reads a fully\nqualified Java class name and\ninstantiates it using Class.forName().newInstance() without any\nvalidation or allowlisting.\n\n\nThis issue affects Apache IoTDB: from 1.0.0 before 2.0.10.\n\nUsers are recommended to upgrade to version 2.0.10, which fixes the issue.","status":"published","published":"2026-07-10T07:13:27.77Z","modified":"2026-07-10T14:54:56.744Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-470"],"updated_at":"2026-11-02T13:43:11.445168Z"}],"euvd":[{"id":"EUVD-2026-42836","description":"Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Apache IoTDB.\nThe pipe processor reads a fully\nqualified Java class name and\ninstantiates it using Class.forName().newInstance() without any\nvalidation or allowlisting.\n\n\nThis issue affects Apache IoTDB: from 1.0.0 before 2.0.10.\n\nUsers are recommended to upgrade to version 2.0.10, which fixes the issue.","status":"published","published":"2026-07-10T07:13:27Z","modified":"2026-07-10T14:54:56Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:20:02.822464Z"}],"ghsa":[{"id":"GHSA-v4p4-86j5-2f8q","title":"Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability...","description":"Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Apache IoTDB.\nThe pipe processor reads a fully\nqualified Java class name and\ninstantiates it using Class.forName().newInstance() without any\nvalidation or allowlisting.\n\n\nThis issue affects Apache IoTDB: from 1.0.0 before 2.0.10.\n\nUsers are recommended to upgrade to version 2.0.10, which fixes the issue.","status":"published","published":"2026-07-10T09:31:37Z","modified":"2026-07-10T18:33:19Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-470"],"updated_at":"2026-11-02T15:09:23.304195Z"}],"nvd":[{"id":"CVE-2026-40008","description":"Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Apache IoTDB.\nThe pipe processor reads a fully\nqualified Java class name and\ninstantiates it using Class.forName().newInstance() without any\nvalidation or allowlisting.\n\n\nThis issue affects Apache IoTDB: from 1.0.0 before 2.0.10.\n\nUsers are recommended to upgrade to version 2.0.10, which fixes the issue.","status":"published","published":"2026-07-10T08:16:22.397Z","modified":"2026-10-25T15:10:00.147Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-470"],"updated_at":"2026-11-02T14:12:28.771746Z"}]}}