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CVE-2026-53676

Quick assessment

Affected
ThingsBoard ThingsBoard
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ThingsBoard是ThingsBoard组织开源的一个基于Java用于IOT设备进行监控、管理、数据收集的平台。 ThingsBoard 4.3.1.2之前版本存在输入验证错误漏洞，该漏洞源于原型污染，可能导致具有租户管理员权限的用户在沙箱环境中执行任意代码。

AI Predicted 8.8 Difficulty: Easy EPSS 0.80% · P55

Affected Version Matrix 1

VendorProduct Version RangeStatus
ThingsBoard ThingsBoard prior to v4.3.1.2 affected
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I. Basic Information for CVE-2026-53676

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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).
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1321
Source: CVE Program / CVE List V5
Vulnerability Title
ThingsBoard 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ThingsBoard是ThingsBoard组织开源的一个基于Java用于IOT设备进行监控、管理、数据收集的平台。 ThingsBoard 4.3.1.2之前版本存在输入验证错误漏洞，该漏洞源于原型污染，可能导致具有租户管理员权限的用户在沙箱环境中执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ThingsBoard ThingsBoard prior to v4.3.1.2 -

II. Public POCs for CVE-2026-53676

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III. Intelligence Information for CVE-2026-53676

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Patches & Fixes for CVE-2026-53676 (1)

Vendor Advisories for CVE-2026-53676 (1)

Vendor Pages for CVE-2026-53676 (1)

IV. Related Vulnerabilities

Same product: ThingsBoard
Same vendor: ThingsBoard
Same weakness: CWE-1321

V. Comments for CVE-2026-53676

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