CVE-2026-35063

High

Description

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.

SeverityHigh
CVSS8.8
Exploit probability—
ProductOpenplcproject Openplc V3 Firmware
PublishedApr 9, 2026
First seenApr 9, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
openplcproject openplc_v3_firmwareNo range specified—

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CVE-2026-35063 · Openplcproject Openplc V3 Firmware · Dark Radar