CVE-2025-34282: Thingsboard

Critical severity, CVSS 9.1. EPSS: 1.8% chance of exploitation in the next 30 days.

ThingsBoard versions < 4.2.1 contain a server-side request forgery (SSRF) vulnerability in the dashboard's Image Upload Gallery feature. An attacker can upload a malicious SVG file that references a remote URL. If the server processes the SVG file in a way that parses external references, it may initiate unintended outbound requests. This can be used to access internal services or resources.

Affected products

• Thingsboard Thingsboard: before 4.2.1 (fixed in 4.2.1)

Published 2025-10-17. Last modified 2026-07-14.