CVE-2026-62350 TDengine: UDF lead to RCE
An attacker with UDF creation privileges can upload a malicious library to execute arbitrary code on the TDengine server.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-62350?
CVE-2026-62350 is a high-severity code injection vulnerability in taosdata TDengine, published on 15 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
TDengine is an open source, time-series database optimized for Internet of Things devices. Prior to 3.4.1.15, a user with create udf privilege could upload a crafted shared library and install it as a user-defined function, such as eval, then execute arbitrary C code on the TDengine server side through database queries. This issue is fixed in version 3.4.1.15.
Weakness: CWE-94
Which versions are affected by CVE-2026-62350?
How do I fix CVE-2026-62350?
No fix has been published for CVE-2026-62350 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-62350 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-62350 exists.