{"cve":"CVE-2026-40452","nvd":{"published":"2026-07-10T08:16:22.627","modified":"2026-10-25T15:10:00.147","status":"Deferred","description":"Incorrect Authorization, Improper Access Control vulnerability in Apache IoTDB.\nAuthorization bypass in /rest/v2/fastLastQuery exposes last-value data to unauthorized authenticated users.\n\n\nThis issue affects Apache IoTDB: from 1.3.5 before 1.3.8, from 2.0.5 before 2.0.10.\n\nUsers are recommended to upgrade to version 2.0.10, which fixes the issue.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-284","CWE-863"],"references":["https://lists.apache.org/thread/04j2l6dosyboor4o2gvrzbrcrpllmh95","http://www.openwall.com/lists/oss-security/2026/07/10/7"],"products":[],"source":"nvd","synced_at":"2026-10-25T17:50:06.907763985+00:00"},"epss":{"cve":"CVE-2026-40452","score":0.00434,"percentile":0.37444,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}