by Kastro
Paper/Archive/CVE-2026-28205

CVE-2026-28205

OpenPLC_V3 OpenPLC_V3 — Initialization of a resource with an insecure default in OpenPLC_V3

EPSS 0.4%CVSS 9.8
critical.is priorityof 100
37
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 39.1.392 × 207.8No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

OpenPLC_V3 is vulnerable to an Initialization of a Resource with an Insecure Default vulnerability which could allow an attacker to gain access to the system by bypassing authentication via an API.

Affected

ProductAffectedFixed inSource
OpenPLC_V3All versions–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
icscert (CNA)9.2CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refcisa.gov/news-events/ics-advisories/icsa-25-345-10