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Vulnerability record · CVE-2023-38502 · published 25 July 2023

CVE-2023-38502: Tdengine improper input validation vulnerability

Tdengine · Tdengine

TDengine is an open source, time-series database optimized for Internet of Things devices. Prior to version 3.0.7.1, TDengine DataBase crashes on UDF nested query. This issue affects TDengine Databases which let users connect and run arbitrary queries. Version 3.0.7.1 has a patch for this issue.

6.5 CVSS 3.1 Medium EPSS 0.68% · top 49.6% CWE-20 · Improper input validation
6.5CVSS 3.1 base score
0.68%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

TDengine is an open source, time-series database optimized for Internet of Things devices. Prior to version 3.0.7.1, TDengine DataBase crashes on UDF nested query. This issue affects TDengine Databases which let users connect and run arbitrary queries. Version 3.0.7.1 has a patch for this issue.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/taosdata/TDengine/security/advisories/GHSA-w23f-r2fm-27hf Vendor Advisory
https://github.com/taosdata/TDengine/security/advisories/GHSA-w23f-r2fm-27hf Vendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-38502), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.