CVE-2026-35063

HIGH

8.8

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.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published4/9/2026

Last Modified4/16/2026

Sourcenvd

Honeypot Sightings0

Affected Products

openplcproject:openplc_v3openplcproject:openplc_v3_firmware

Weaknesses (CWE)

CWE-862

References

https://www.cisa.gov/news-events/ics-advisories/icsa-25-345-10(ics-cert@hq.dhs.gov)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.