CVE-2026-31156: openplc v3 firmware 2024-03-09; +1 more affected products

CVE-2026-31156. CVSS 3.1 base score 6.5 (MEDIUM, Source advisory). EPSS 0.00463 (percentile 0.38756), scored 19-Oct-2026.

Affected technology

openplc v3 firmware · 2024-03-09
openplcproject

n/a · n/a
Vendor not specified by the source

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

An attacker can exploit this vulnerability by constructing a malicious path to read arbitrary readable files. Source advisory’s CVSS 3.1 assessment (base score 6.5/10) rates confidentiality impact as high; integrity and availability impact as none.

Published 20-Oct-2026 01:47 UTC

CWE: CWE-22
CCR priority: 26.1 /100 (P4)
CVSS 3.1: 6.5 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N · Source advisory
EPSS: 0.00463 · percentile 0.38756 · 2026-10-19
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-20 01:44:01.123206+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-31156.html