CVE-2026-53676

Prototype Pollution Vulnerability in ThingsBoard Allows Arbitrary Code Execution for Tenant Administrators

Published Jun 17, 2026 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
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).

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Thingsboard
Thingsboard thingsboard
Vendors & Products Thingsboard
Thingsboard thingsboard
Type Values Removed Values Added
Title Prototype Pollution Vulnerability in ThingsBoard Allows Arbitrary Code Execution for Tenant Administrators
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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).
Weaknesses CWE-1321
References
Metrics cvssV3_0

{'score': 7.2, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.6, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
jpcert
Published
Updated
Jun 18, 2026, 12:35 PM
Reserved
Jun 10, 2026, 1:16 AM
Status
Deferred
Published
Jun 17, 2026, 11:17 PM
Modified
Jun 22, 2026, 7:49 PM