CVE-2026-35063

OpenPLC_V3 REST API endpoint checks for JWT presence but never verifies the caller’s role. Any authenticated user with role=user can delete any other user, including administrators, by specifying their user ID or they can create new accounts with role=admin, escalating to full administrator access.

More information : https://www.cisa.gov/news-events/ics-advisories/icsa-25-345-10