CVE-2026-53676

State: Published
Severity: 8.6 High
Published: Jun 17, 2026
Updated: Jun 18, 2026
Reserved: Jun 10, 2026

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).

Scores

CVSS	Score	Vector	Source
4.0	8.6 High	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	jpcert
3.0	7.2 High	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	jpcert

Weaknesses

CWE-1321 Improperly controlled modification of object prototype attributes ('Prototype Pollution')

Affected Products

Product	Versions
ThingsBoardThingsBoard	prior to v4.3.1.2Affected

References

https://thingsboard.io/docs/releases/releases-table/
https://github.com/thingsboard/thingsboard/pull/15600
https://jvn.jp/en/jp/JVN16937365/

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.