🛡️ CVE-2026-53676

🟠 CVSS 7.2 — High ✅ No Known Exploit CWE-1321 NVD
7.2
CVSS Score
0 Low4 Medium7 High9 Critical10

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).

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs administrative privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2026-53676 is classified as CWE-1321: Prototype Pollution. Attacker input can modify an object prototype, changing behaviour for objects across the application.

Affected software

CVE-2026-53676 is recorded against 1 package.

  • unknown

Timeline and source

Published on 17 June 2026 and last revised on 22 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com
jvn.jp
thingsboard.io

Details

Severity HIGH
CVSS Score 7.2
CVSS Vector CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE CWE-1321
Public Exploit ✅ No
Source NVD
Published 2026-06-17
Updated 2026-08-11
Modified 2026-06-22
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown — —

Similar Threats

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