CVE-2026-53676 Code injection in ThingsBoard
A tenant administrator can exploit prototype pollution to execute arbitrary code within a sandboxed context in ThingsBoard.
- 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-2026-53676?
CVE-2026-53676 is a high-severity code injection vulnerability in ThingsBoard, published on 17 Jun 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
ThingsBoard contains a prototype pollution vulnerability which may lead to arbitrary code execution within a sandboxed context by a user who can log in to the affected product with the tenant administrator privilege (TENANT_ADMIN).
Weakness: CWE-1321
Which versions are affected by CVE-2026-53676?
How do I fix CVE-2026-53676?
No fix has been published for CVE-2026-53676 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-2026-53676 being exploited?
There is no known exploitation of CVE-2026-53676 in the wild and no public exploit code.
Sources
Also known as GHSA-prc2-x3qx-38m9.