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.

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Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

OpenPLC_v3 is now considered to be end of life. Users are recommended to upgrade to OpenPLC Runtime v4 ( https://github.com/autonomy-logic/openplc-runtime ).

History

Thu, 16 Apr 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Openplcproject openplc V3 Firmware
CPEs cpe:2.3:h:openplcproject:openplc_v3:-:*:*:*:*:*:*:*
cpe:2.3:o:openplcproject:openplc_v3_firmware:-:*:*:*:*:*:*:*
Vendors & Products Openplcproject openplc V3 Firmware
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


Fri, 10 Apr 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 10 Apr 2026 09:00:00 +0000

Type Values Removed Values Added
First Time appeared Openplcproject
Openplcproject openplc V3
Vendors & Products Openplcproject
Openplcproject openplc V3

Thu, 09 Apr 2026 19:30:00 +0000

Type Values Removed Values Added
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.
Title Missing Authorization in OpenPLC_V3
Weaknesses CWE-862
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: icscert

Published:

Updated: 2026-04-10T18:04:45.721Z

Reserved: 2026-04-06T15:01:14.379Z

Link: CVE-2026-35063

cve-icon Vulnrichment

Updated: 2026-04-10T18:04:38.896Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-09T20:16:25.833

Modified: 2026-04-16T20:49:50.383

Link: CVE-2026-35063

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-10T09:29:49Z

Weaknesses