CVE-2026-53676

EUVD-2026-37828
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).
Prototype Pollution
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
jpcertCNA
7.2 HIGH
NETWORK
LOW
HIGH
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 45%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
thingsboardthingsboard
𝑥
< 4.3.1.2
CNA
Common Weakness Enumeration
References
https://github.com/thingsboard/thingsboard/pull/15600
https://jvn.jp/en/jp/JVN16937365/
https://thingsboard.io/docs/releases/releases-table/