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OpenAdvisories
Medium · 5.4 CVE-2026-62355 EUVD-2026-44764

TDengine: Standard User permission unexpect

Published Jul 15, 2026 · Updated Jul 15, 2026 · Assigned by GitHub_M

Description

TDengine is an open source, time-series database optimized for Internet of Things devices. Prior to 3.4.1.15, a Data Reader admin_user on a TDengine Cloud DB instance could run create udf even though standard users should have read-only permissions for non-database objects and show dnodes and create user were denied. This issue is fixed in version 3.4.1.15.

Affected products

VendorProductAffectedFixed
taosdata TDengine < 3.4.1.15 —

References