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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).

PUBLISHED Reserved 2026-06-10 | Published 2026-06-17 | Updated 2026-06-17 | Assigner jpcert




HIGH: 7.2CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

HIGH: 8.6CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem types

Improperly controlled modification of object prototype attributes ('Prototype Pollution')

Product status

prior to v4.3.1.2
affected

References

thingsboard.io/docs/releases/releases-table/

github.com/thingsboard/thingsboard/pull/15600

jvn.jp/en/jp/JVN16937365/

cve.org (CVE-2026-53676)

nvd.nist.gov (CVE-2026-53676)

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