Prototype pollution in ThingsBoard - CVE-2026-53676
Published: June 16, 2026
Vulnerability identifier: #VU134596
CSH Severity: Low
CVSS v4.0: 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
CVE-ID: CVE-2026-53676
CWE-ID: CWE-1321
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ThingsBoard
Affected software:
ThingsBoard
ThingsBoard
Detailed vulnerability description
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.
How to mitigate CVE-2026-53676
Install updates from vendor's website.