CVE-2026-62355 Details
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.
A broken access control vulnerability has been identified in TDengine Cloud DB instances prior to version 3.4.1.15. Standard users are supposed to have read-only permissions for non-database objects, but a 'Data Reader' admin_user was able to create user-defined functions (UDFs), contrary to the expected permissions. This issue arises because the 'admin_user' on TDengine Cloud is treated as a standard user, despite being an admin.
Users should upgrade to TDengine version 3.4.1.15 or later.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Jul 15, 2026CISA-ADP
Assessed Jul 15, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/taosdata/TDengine/security/advisories/GHSA-fmp7-rf4r-8q7p | [email protected] | AdvisoryExploitTechnical DescriptionVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-269 | Improper Privilege Management | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| TDengine | 3.0.5.0 |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 15, 2026 | CVE Modified | CISA-ADP |
| Jul 15, 2026 | New CVE Received | [email protected] |