SB2026061644 - Remote code execution in ThingsBoard



SB2026061644 - Remote code execution in ThingsBoard

Published: June 16, 2026

Security Bulletin ID SB2026061644
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Prototype pollution (CVE-ID: CVE-2026-53676)

CWE-ID: CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes (\'Prototype Pollution\')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to execute arbitrary JavaScript code.

The vulnerability exists due to improper input validation. A remote administrator can pass specially crafted input to the application and perform prototype pollution, leading to arbitrary code execution.


Remediation

Install update from vendor's website.