CVE-2026-35063
8.8 · HIGHOverview
CVE-2026-35063 is a high-severity vulnerability affecting openplcproject openplc_v3_firmware. It was published on April 9, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from openplcproject. Update openplc_v3_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
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Frequently Asked Questions
What is CVE-2026-35063?
CVE-2026-35063 is a high-severity vulnerability affecting openplcproject openplc_v3_firmware. It was published on April 9, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).
How severe is CVE-2026-35063?
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-35063?
Check the references section for vendor advisories and patches from openplcproject. Update openplc_v3_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-35063?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-35063 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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