Published:2026/06/16 Last Updated:2026/06/16
JVN#16937365
ThingsBoard vulnerable to prototype pollution
Overview
ThingsBoard contains a prototype pollution vulnerability.
Products Affected
- ThingsBoard versions prior to v4.3.1.2
Description
ThingsBoard contains the following vulnerability
- Prototype Pollution (CWE-1321)
- 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 Base Score 8.6
- CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Base Score 7.2
- CVE-2026-53676
Impact
Arbitrary code may be executed within a sandboxed context by a user who can log in to the affected product with the tenant administrator privilege (TENANT_ADMIN).
Solution
Update the Software
Update the software to the latest version according to the information provided by the developer.
Vendor Status
| Vendor | Link |
| ThingsBoard | ThingsBoard Release Table |
| Hardened remote JS executor script invocation#15600 |
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
Credit
HIROKI IMAI of LAC Co., Ltd. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert |
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| JPCERT Reports |
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| CERT Advisory |
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| CPNI Advisory |
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| TRnotes |
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| CVE |
CVE-2026-53676 |
| JVN iPedia |
JVNDB-2026-000086 |