CVE-2026-35556: Openplcproject OpenPLC v3 Firmware

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

OpenPLC_V3 is vulnerable to a Plaintext Storage of a Password vulnerability that could allow an attacker to retrieve credentials and access sensitive information.

Affected products

Published 2026-04-09. Last modified 2026-06-17.