CVE-2024-45798: Arduino Core

Critical severity, CVSS 9.9. EPSS: 0.9% chance of exploitation in the next 30 days.

arduino-esp32 is an Arduino core for the ESP32, ESP32-S2, ESP32-S3, ESP32-C3, ESP32-C6 and ESP32-H2 microcontrollers. The `arduino-esp32` CI is vulnerable to multiple Poisoned Pipeline Execution (PPE) vulnerabilities. Code injection in `tests_results.yml` workflow (`GHSL-2024-169`) and environment Variable injection (`GHSL-2024-170`). These issue have been addressed but users are advised to verify the contents of the downloaded artifacts.

Affected products

• Arduino Arduino Core
• Espressif Arduino-ESP32

Published 2024-09-17. Last modified 2026-06-17.