CVE-2026-53676

8.6 highEPSS 0.6%

High (8.6). EPSS 0.6% chance of exploitation in the next 30 days.

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).

Severity

CVSS 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

CVSS 3.0

7.2 high

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

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 48% of CVEs (scores of 2026-10-31)
CWE: CWE-1321
Published: 2026-06-17
Modified: 2026-06-22
Record from: the NVD, synced 2026-10-19

References

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

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