CVE-2026-40452

CVE-2026-40452 – Apache IoTDB exposes last-value data via an authorization bypass in the /rest/v2/fastLastQuery endpoint due to improper access control. Affects IoTDB versions 1.3.5–1.3.7 and 2.0.5–2.0.9. Impact is high (confidentiality) as unauthorized authenticated users may access restricted d...