Back to CVE records
High 8.7Published Apr 9, 2026

CVE-2026-35063Missing Authorization in OpenPLC_V3

Updated under an hour ago ()

Does this affect you?

It affects OpenPLC_V3 and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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
8.7 HIGH (v4.0, CNA)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
Weakness (CWE)
CWE-862
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
icscert
NVD analysis
Analyzed
Record last updated
Apr 10, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
OpenPLC_V3 OpenPLC_V3
openplc_v3:openplc_v3 (from the name)
all versions
CNA record
openplcproject openplc_v3_firmware
openplcproject:openplc_v3_firmware
all versions
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

Your cookie choices
We use essential cookies to run this site, and, only with your consent, an advertising cookie from Google to measure whether our ads lead to sign-ups and subscriptions. See our for details.