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.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.cisa.gov/news-events/ics-advisories/icsa-25-345-10	Third Party Advisory US Government Resource

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:openplcproject:openplc_v3_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:openplcproject:openplc_v3:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-04-09 20:16

Updated : 2026-06-17 10:40

NVD link : CVE-2026-35063

Mitre link : CVE-2026-35063

CVE.ORG link : CVE-2026-35063

JSON object : View

Products Affected

openplcproject

openplc_v3_firmware
openplc_v3

CWE

CWE-862

Missing Authorization

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