CVE-2026-62355

MEDIUM

TDengine: Standard User permission unexpect

Title source: cna
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 5.4
EPSS 0.0014
EPSS Percentile 3.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-269
Status published
Products (1)
taosdata/TDengine < 3.4.1.15
Published Jul 15, 2026
Tracked Since Jul 16, 2026