SQL Injection Vulnerability in TDengine Database by Taos Data
CVE-2026-62353

5.4MEDIUM

Key Information:

Vendor

Taosdata

Status
Tdengine
Vendor
CVE Published:
15 July 2026

What is CVE-2026-62353?

TDengine, a time-series database solution optimized for Internet of Things (IoT) devices, is susceptible to an SQL injection vulnerability that allows authenticated users to manipulate SQL queries. Specifically, the function tGetToken() in the source code improperly handles SQL string literals that include trailing backslashes. This issue enables an authenticated attacker to cause the database server to crash or potentially expose adjacent memory contents. The vulnerability has been mitigated in version 3.4.1.14.

Affected Version(s)

TDengine < 3.4.1.14

References

https://github.com/taosdata/TDengine/security/advisories/...
x_refsource_CONFIRM

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.