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CVE-2026-53676

HIGH
8.6
CVSS Score
Published: June 17, 2026 at 10:53 PM UTC
Updated: June 22, 2026 at 11:18 PM UTC
1 product affected across 1 vendorThingsBoard

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Severity
HIGH8.6
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

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).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

ThingsBoard· Thingsboard
60%
v < 4.3.1.2
Affected range stops below 4.3.1.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.6HIGHjpcert
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-1321

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