CVE-2026-35063

HIGH

CVSS v3.1: 8.8 · EPSS: 0.0004 (13.1 percentile)

NetworkNo user interactionMissing Authorization

Source data as of:

At a glance

Severity
HIGH
CVSS
8.8 v3.1 · NVD
EPSS
0.0004 (13.1 percentile) · FIRST.org
CISA KEV
No
Type
Missing Authorization · NVD CWE
Attack conditions (CVSS vector)
NetworkNo user interaction · Source: NVD Vector
Affected vendors
openplcproject
Published
2026-04-09 · Modified: 2026-04-16

CVSS / EPSS / KEV

CVSS v3.1 8.8 / 10 HIGH Source: NVD
CVSS v4.0 8.7 / 10 HIGH Source: NVD
EPSS 0.0004 13.1 percentile Source: FIRST.org
CISA KEV No Source: CISA

Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources

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.

Record details

CVE ID
CVE-2026-35063
CVSS (v3.1)
8.8 (HIGH)
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability subscore
2.8
Impact subscore
5.9
EPSS
0.0004 (13.1 percentile) — 2026-04-17
CISA KEV
No
Weakness (CWE)
CWE-862
Affected vendors
openplcproject
Affected configurations (CPE)
1
Published
2026-04-09
Modified
2026-04-16
Status
Analyzed

References

Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.